Home / 10,790.40-14,893.05-7,251.56

Finding the Fourth Proportional to 10,790.40, 14,893.05 and 7,251.56

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Solution

The fourth proportional to 10,790.40, 14,893.05 and 7,251.56 is: 10,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.40 : 14,893.05 = 7,251.56 : x
  2. Step 2: Convert to fraction form
    10,790.40/14,893.05 = 7,251.56/x
  3. Step 3: Cross multiply
    10,790.40x = 14,893.05 × 7,251.56
  4. Step 4: Simplify right side
    10,790.40x = 107,997,854.97
  5. Step 5: Solve for x
    x = 107,997,854.97/10,790.40
  6. Step 6: Final answer
    x = 10,008.70

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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.