Home / 10,428.23-14,387.40-5,948.76

Finding the Fourth Proportional to 10,428.23, 14,387.40 and 5,948.76

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Solution

The fourth proportional to 10,428.23, 14,387.40 and 5,948.76 is: 8,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.23 : 14,387.40 = 5,948.76 : x
  2. Step 2: Convert to fraction form
    10,428.23/14,387.40 = 5,948.76/x
  3. Step 3: Cross multiply
    10,428.23x = 14,387.40 × 5,948.76
  4. Step 4: Simplify right side
    10,428.23x = 85,587,189.62
  5. Step 5: Solve for x
    x = 85,587,189.62/10,428.23
  6. Step 6: Final answer
    x = 8,207.26

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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.