Home / 9,124.52-13,686.90-3,281.13

Finding the Fourth Proportional to 9,124.52, 13,686.90 and 3,281.13

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Solution

The fourth proportional to 9,124.52, 13,686.90 and 3,281.13 is: 4,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.52 : 13,686.90 = 3,281.13 : x
  2. Step 2: Convert to fraction form
    9,124.52/13,686.90 = 3,281.13/x
  3. Step 3: Cross multiply
    9,124.52x = 13,686.90 × 3,281.13
  4. Step 4: Simplify right side
    9,124.52x = 44,908,533.62
  5. Step 5: Solve for x
    x = 44,908,533.62/9,124.52
  6. Step 6: Final answer
    x = 4,921.74

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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.