Home / 11,140.72-15,373.40-6,104.12

Finding the Fourth Proportional to 11,140.72, 15,373.40 and 6,104.12

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Solution

The fourth proportional to 11,140.72, 15,373.40 and 6,104.12 is: 8,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.72 : 15,373.40 = 6,104.12 : x
  2. Step 2: Convert to fraction form
    11,140.72/15,373.40 = 6,104.12/x
  3. Step 3: Cross multiply
    11,140.72x = 15,373.40 × 6,104.12
  4. Step 4: Simplify right side
    11,140.72x = 93,841,078.41
  5. Step 5: Solve for x
    x = 93,841,078.41/11,140.72
  6. Step 6: Final answer
    x = 8,423.25

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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.