Home / 7,929.38-11,896.47-3,000.53

Finding the Fourth Proportional to 7,929.38, 11,896.47 and 3,000.53

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Solution

The fourth proportional to 7,929.38, 11,896.47 and 3,000.53 is: 4,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.38 : 11,896.47 = 3,000.53 : x
  2. Step 2: Convert to fraction form
    7,929.38/11,896.47 = 3,000.53/x
  3. Step 3: Cross multiply
    7,929.38x = 11,896.47 × 3,000.53
  4. Step 4: Simplify right side
    7,929.38x = 35,695,715.13
  5. Step 5: Solve for x
    x = 35,695,715.13/7,929.38
  6. Step 6: Final answer
    x = 4,501.70

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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.