Home / 10,009.43-13,813.01-5,472.13

Finding the Fourth Proportional to 10,009.43, 13,813.01 and 5,472.13

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Solution

The fourth proportional to 10,009.43, 13,813.01 and 5,472.13 is: 7,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.43 : 13,813.01 = 5,472.13 : x
  2. Step 2: Convert to fraction form
    10,009.43/13,813.01 = 5,472.13/x
  3. Step 3: Cross multiply
    10,009.43x = 13,813.01 × 5,472.13
  4. Step 4: Simplify right side
    10,009.43x = 75,586,565.56
  5. Step 5: Solve for x
    x = 75,586,565.56/10,009.43
  6. Step 6: Final answer
    x = 7,551.54

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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.