Home / 7,008.19-9,671.33-3,864.38

Finding the Fourth Proportional to 7,008.19, 9,671.33 and 3,864.38

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Solution

The fourth proportional to 7,008.19, 9,671.33 and 3,864.38 is: 5,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.19 : 9,671.33 = 3,864.38 : x
  2. Step 2: Convert to fraction form
    7,008.19/9,671.33 = 3,864.38/x
  3. Step 3: Cross multiply
    7,008.19x = 9,671.33 × 3,864.38
  4. Step 4: Simplify right side
    7,008.19x = 37,373,655.53
  5. Step 5: Solve for x
    x = 37,373,655.53/7,008.19
  6. Step 6: Final answer
    x = 5,332.86

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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.