Home / 10,501.20-14,491.32-5,785.44

Finding the Fourth Proportional to 10,501.20, 14,491.32 and 5,785.44

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Solution

The fourth proportional to 10,501.20, 14,491.32 and 5,785.44 is: 7,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.20 : 14,491.32 = 5,785.44 : x
  2. Step 2: Convert to fraction form
    10,501.20/14,491.32 = 5,785.44/x
  3. Step 3: Cross multiply
    10,501.20x = 14,491.32 × 5,785.44
  4. Step 4: Simplify right side
    10,501.20x = 83,838,662.38
  5. Step 5: Solve for x
    x = 83,838,662.38/10,501.20
  6. Step 6: Final answer
    x = 7,983.72

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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.