Home / 10,851.70-16,277.55-7,498.30

Finding the Fourth Proportional to 10,851.70, 16,277.55 and 7,498.30

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Solution

The fourth proportional to 10,851.70, 16,277.55 and 7,498.30 is: 11,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.70 : 16,277.55 = 7,498.30 : x
  2. Step 2: Convert to fraction form
    10,851.70/16,277.55 = 7,498.30/x
  3. Step 3: Cross multiply
    10,851.70x = 16,277.55 × 7,498.30
  4. Step 4: Simplify right side
    10,851.70x = 122,053,953.17
  5. Step 5: Solve for x
    x = 122,053,953.17/10,851.70
  6. Step 6: Final answer
    x = 11,247.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.