Home / 9,927.61-13,700.18-5,451.77

Finding the Fourth Proportional to 9,927.61, 13,700.18 and 5,451.77

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Solution

The fourth proportional to 9,927.61, 13,700.18 and 5,451.77 is: 7,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.61 : 13,700.18 = 5,451.77 : x
  2. Step 2: Convert to fraction form
    9,927.61/13,700.18 = 5,451.77/x
  3. Step 3: Cross multiply
    9,927.61x = 13,700.18 × 5,451.77
  4. Step 4: Simplify right side
    9,927.61x = 74,690,278.20
  5. Step 5: Solve for x
    x = 74,690,278.20/9,927.61
  6. Step 6: Final answer
    x = 7,523.49

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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.