Home / 10,371.68-14,312.90-5,655.97

Finding the Fourth Proportional to 10,371.68, 14,312.90 and 5,655.97

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Solution

The fourth proportional to 10,371.68, 14,312.90 and 5,655.97 is: 7,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.68 : 14,312.90 = 5,655.97 : x
  2. Step 2: Convert to fraction form
    10,371.68/14,312.90 = 5,655.97/x
  3. Step 3: Cross multiply
    10,371.68x = 14,312.90 × 5,655.97
  4. Step 4: Simplify right side
    10,371.68x = 80,953,268.95
  5. Step 5: Solve for x
    x = 80,953,268.95/10,371.68
  6. Step 6: Final answer
    x = 7,805.22

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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.