Home / 10,587.06-15,882.65-3,191.15

Finding the Fourth Proportional to 10,587.06, 15,882.65 and 3,191.15

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Solution

The fourth proportional to 10,587.06, 15,882.65 and 3,191.15 is: 4,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.06 : 15,882.65 = 3,191.15 : x
  2. Step 2: Convert to fraction form
    10,587.06/15,882.65 = 3,191.15/x
  3. Step 3: Cross multiply
    10,587.06x = 15,882.65 × 3,191.15
  4. Step 4: Simplify right side
    10,587.06x = 50,683,823.18
  5. Step 5: Solve for x
    x = 50,683,823.18/10,587.06
  6. Step 6: Final answer
    x = 4,787.34

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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.