Home / 9,671.27-13,345.97-5,479.52

Finding the Fourth Proportional to 9,671.27, 13,345.97 and 5,479.52

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Solution

The fourth proportional to 9,671.27, 13,345.97 and 5,479.52 is: 7,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.27 : 13,345.97 = 5,479.52 : x
  2. Step 2: Convert to fraction form
    9,671.27/13,345.97 = 5,479.52/x
  3. Step 3: Cross multiply
    9,671.27x = 13,345.97 × 5,479.52
  4. Step 4: Simplify right side
    9,671.27x = 73,129,415.41
  5. Step 5: Solve for x
    x = 73,129,415.41/9,671.27
  6. Step 6: Final answer
    x = 7,561.52

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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.