Home / 9,442.90-13,031.88-5,251.18

Finding the Fourth Proportional to 9,442.90, 13,031.88 and 5,251.18

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Solution

The fourth proportional to 9,442.90, 13,031.88 and 5,251.18 is: 7,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.90 : 13,031.88 = 5,251.18 : x
  2. Step 2: Convert to fraction form
    9,442.90/13,031.88 = 5,251.18/x
  3. Step 3: Cross multiply
    9,442.90x = 13,031.88 × 5,251.18
  4. Step 4: Simplify right side
    9,442.90x = 68,432,747.62
  5. Step 5: Solve for x
    x = 68,432,747.62/9,442.90
  6. Step 6: Final answer
    x = 7,247.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.