Home / 10,884.04-15,019.68-6,168.76

Finding the Fourth Proportional to 10,884.04, 15,019.68 and 6,168.76

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Solution

The fourth proportional to 10,884.04, 15,019.68 and 6,168.76 is: 8,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.04 : 15,019.68 = 6,168.76 : x
  2. Step 2: Convert to fraction form
    10,884.04/15,019.68 = 6,168.76/x
  3. Step 3: Cross multiply
    10,884.04x = 15,019.68 × 6,168.76
  4. Step 4: Simplify right side
    10,884.04x = 92,652,801.20
  5. Step 5: Solve for x
    x = 92,652,801.20/10,884.04
  6. Step 6: Final answer
    x = 8,512.72

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Half scale
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Double scale
Find fourth proportional to 10,885.04, 15,021.06 and 6,169.76
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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.