Home / 10,508.13-15,747.62-5,307.93

Finding the Fourth Proportional to 10,508.13, 15,747.62 and 5,307.93

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Solution

The fourth proportional to 10,508.13, 15,747.62 and 5,307.93 is: 7,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.13 : 15,747.62 = 5,307.93 : x
  2. Step 2: Convert to fraction form
    10,508.13/15,747.62 = 5,307.93/x
  3. Step 3: Cross multiply
    10,508.13x = 15,747.62 × 5,307.93
  4. Step 4: Simplify right side
    10,508.13x = 83,587,238.09
  5. Step 5: Solve for x
    x = 83,587,238.09/10,508.13
  6. Step 6: Final answer
    x = 7,954.53

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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.