Home / 12,508.30-18,748.14-5,925.16

Finding the Fourth Proportional to 12,508.30, 18,748.14 and 5,925.16

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Solution

The fourth proportional to 12,508.30, 18,748.14 and 5,925.16 is: 8,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.30 : 18,748.14 = 5,925.16 : x
  2. Step 2: Convert to fraction form
    12,508.30/18,748.14 = 5,925.16/x
  3. Step 3: Cross multiply
    12,508.30x = 18,748.14 × 5,925.16
  4. Step 4: Simplify right side
    12,508.30x = 111,085,729.20
  5. Step 5: Solve for x
    x = 111,085,729.20/12,508.30
  6. Step 6: Final answer
    x = 8,880.96

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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.