Home / 8,567.08-12,839.28-5,437.24

Finding the Fourth Proportional to 8,567.08, 12,839.28 and 5,437.24

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Solution

The fourth proportional to 8,567.08, 12,839.28 and 5,437.24 is: 8,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.08 : 12,839.28 = 5,437.24 : x
  2. Step 2: Convert to fraction form
    8,567.08/12,839.28 = 5,437.24/x
  3. Step 3: Cross multiply
    8,567.08x = 12,839.28 × 5,437.24
  4. Step 4: Simplify right side
    8,567.08x = 69,810,246.79
  5. Step 5: Solve for x
    x = 69,810,246.79/8,567.08
  6. Step 6: Final answer
    x = 8,148.66

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1.5x scale

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.