Home / 9,436.20-13,016.88-5,901.36

Finding the Fourth Proportional to 9,436.20, 13,016.88 and 5,901.36

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Solution

The fourth proportional to 9,436.20, 13,016.88 and 5,901.36 is: 8,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.20 : 13,016.88 = 5,901.36 : x
  2. Step 2: Convert to fraction form
    9,436.20/13,016.88 = 5,901.36/x
  3. Step 3: Cross multiply
    9,436.20x = 13,016.88 × 5,901.36
  4. Step 4: Simplify right side
    9,436.20x = 76,817,294.96
  5. Step 5: Solve for x
    x = 76,817,294.96/9,436.20
  6. Step 6: Final answer
    x = 8,140.70

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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.