Home / 10,567.62-15,859.64-5,307.90

Finding the Fourth Proportional to 10,567.62, 15,859.64 and 5,307.90

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Solution

The fourth proportional to 10,567.62, 15,859.64 and 5,307.90 is: 7,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.62 : 15,859.64 = 5,307.90 : x
  2. Step 2: Convert to fraction form
    10,567.62/15,859.64 = 5,307.90/x
  3. Step 3: Cross multiply
    10,567.62x = 15,859.64 × 5,307.90
  4. Step 4: Simplify right side
    10,567.62x = 84,181,383.16
  5. Step 5: Solve for x
    x = 84,181,383.16/10,567.62
  6. Step 6: Final answer
    x = 7,965.97

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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.