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Finding the Fourth Proportional to 7,394.37, 10,122.56 and 7,341.63

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Solution

The fourth proportional to 7,394.37, 10,122.56 and 7,341.63 is: 10,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.37 : 10,122.56 = 7,341.63 : x
  2. Step 2: Convert to fraction form
    7,394.37/10,122.56 = 7,341.63/x
  3. Step 3: Cross multiply
    7,394.37x = 10,122.56 × 7,341.63
  4. Step 4: Simplify right side
    7,394.37x = 74,316,053.46
  5. Step 5: Solve for x
    x = 74,316,053.46/7,394.37
  6. Step 6: Final answer
    x = 10,050.36

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Half scale
Find fourth proportional to 14,788.74, 20,245.11 and 14,683.26
Double scale
Find fourth proportional to 7,395.37, 10,123.92 and 7,342.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.