Home / 7,338.19-10,123.54-4,949.70

Finding the Fourth Proportional to 7,338.19, 10,123.54 and 4,949.70

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Solution

The fourth proportional to 7,338.19, 10,123.54 and 4,949.70 is: 6,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.19 : 10,123.54 = 4,949.70 : x
  2. Step 2: Convert to fraction form
    7,338.19/10,123.54 = 4,949.70/x
  3. Step 3: Cross multiply
    7,338.19x = 10,123.54 × 4,949.70
  4. Step 4: Simplify right side
    7,338.19x = 50,108,485.94
  5. Step 5: Solve for x
    x = 50,108,485.94/7,338.19
  6. Step 6: Final answer
    x = 6,828.45

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Half scale
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Double scale
Find fourth proportional to 7,339.19, 10,124.92 and 4,950.70
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.