Home / 9,914.13-13,680.23-5,436.70

Finding the Fourth Proportional to 9,914.13, 13,680.23 and 5,436.70

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Solution

The fourth proportional to 9,914.13, 13,680.23 and 5,436.70 is: 7,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.13 : 13,680.23 = 5,436.70 : x
  2. Step 2: Convert to fraction form
    9,914.13/13,680.23 = 5,436.70/x
  3. Step 3: Cross multiply
    9,914.13x = 13,680.23 × 5,436.70
  4. Step 4: Simplify right side
    9,914.13x = 74,375,306.44
  5. Step 5: Solve for x
    x = 74,375,306.44/9,914.13
  6. Step 6: Final answer
    x = 7,501.95

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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.