Home / 9,925.53-13,697.40-5,449.71

Finding the Fourth Proportional to 9,925.53, 13,697.40 and 5,449.71

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Solution

The fourth proportional to 9,925.53, 13,697.40 and 5,449.71 is: 7,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.53 : 13,697.40 = 5,449.71 : x
  2. Step 2: Convert to fraction form
    9,925.53/13,697.40 = 5,449.71/x
  3. Step 3: Cross multiply
    9,925.53x = 13,697.40 × 5,449.71
  4. Step 4: Simplify right side
    9,925.53x = 74,646,857.75
  5. Step 5: Solve for x
    x = 74,646,857.75/9,925.53
  6. Step 6: Final answer
    x = 7,520.69

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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.