Home / 9,158.86-13,726.14-4,988.17

Finding the Fourth Proportional to 9,158.86, 13,726.14 and 4,988.17

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Solution

The fourth proportional to 9,158.86, 13,726.14 and 4,988.17 is: 7,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.86 : 13,726.14 = 4,988.17 : x
  2. Step 2: Convert to fraction form
    9,158.86/13,726.14 = 4,988.17/x
  3. Step 3: Cross multiply
    9,158.86x = 13,726.14 × 4,988.17
  4. Step 4: Simplify right side
    9,158.86x = 68,468,319.76
  5. Step 5: Solve for x
    x = 68,468,319.76/9,158.86
  6. Step 6: Final answer
    x = 7,475.64

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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.