Home / 7,972.92-11,002.08-4,436.28

Finding the Fourth Proportional to 7,972.92, 11,002.08 and 4,436.28

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Solution

The fourth proportional to 7,972.92, 11,002.08 and 4,436.28 is: 6,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.92 : 11,002.08 = 4,436.28 : x
  2. Step 2: Convert to fraction form
    7,972.92/11,002.08 = 4,436.28/x
  3. Step 3: Cross multiply
    7,972.92x = 11,002.08 × 4,436.28
  4. Step 4: Simplify right side
    7,972.92x = 48,808,307.46
  5. Step 5: Solve for x
    x = 48,808,307.46/7,972.92
  6. Step 6: Final answer
    x = 6,121.76

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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.