Home / 7,972.76-11,002.16-4,436.08

Finding the Fourth Proportional to 7,972.76, 11,002.16 and 4,436.08

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Solution

The fourth proportional to 7,972.76, 11,002.16 and 4,436.08 is: 6,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.76 : 11,002.16 = 4,436.08 : x
  2. Step 2: Convert to fraction form
    7,972.76/11,002.16 = 4,436.08/x
  3. Step 3: Cross multiply
    7,972.76x = 11,002.16 × 4,436.08
  4. Step 4: Simplify right side
    7,972.76x = 48,806,461.93
  5. Step 5: Solve for x
    x = 48,806,461.93/7,972.76
  6. Step 6: Final answer
    x = 6,121.65

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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.