Home / 11,140.20-15,373.08-6,104.28

Finding the Fourth Proportional to 11,140.20, 15,373.08 and 6,104.28

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Solution

The fourth proportional to 11,140.20, 15,373.08 and 6,104.28 is: 8,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.20 : 15,373.08 = 6,104.28 : x
  2. Step 2: Convert to fraction form
    11,140.20/15,373.08 = 6,104.28/x
  3. Step 3: Cross multiply
    11,140.20x = 15,373.08 × 6,104.28
  4. Step 4: Simplify right side
    11,140.20x = 93,841,584.78
  5. Step 5: Solve for x
    x = 93,841,584.78/11,140.20
  6. Step 6: Final answer
    x = 8,423.69

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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.