Home / 9,011.52-13,521.60-4,392

Finding the Fourth Proportional to 9,011.52, 13,521.60 and 4,392

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Solution

The fourth proportional to 9,011.52, 13,521.60 and 4,392 is: 6,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.52 : 13,521.60 = 4,392 : x
  2. Step 2: Convert to fraction form
    9,011.52/13,521.60 = 4,392/x
  3. Step 3: Cross multiply
    9,011.52x = 13,521.60 × 4,392
  4. Step 4: Simplify right side
    9,011.52x = 59,386,867.20
  5. Step 5: Solve for x
    x = 59,386,867.20/9,011.52
  6. Step 6: Final answer
    x = 6,590.11

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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.