Home / 11,140.60-15,373.98-6,104.80

Finding the Fourth Proportional to 11,140.60, 15,373.98 and 6,104.80

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Solution

The fourth proportional to 11,140.60, 15,373.98 and 6,104.80 is: 8,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.60 : 15,373.98 = 6,104.80 : x
  2. Step 2: Convert to fraction form
    11,140.60/15,373.98 = 6,104.80/x
  3. Step 3: Cross multiply
    11,140.60x = 15,373.98 × 6,104.80
  4. Step 4: Simplify right side
    11,140.60x = 93,855,073.10
  5. Step 5: Solve for x
    x = 93,855,073.10/11,140.60
  6. Step 6: Final answer
    x = 8,424.60

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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.