Home / 7,210.62-9,951.12-4,066.74

Finding the Fourth Proportional to 7,210.62, 9,951.12 and 4,066.74

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Solution

The fourth proportional to 7,210.62, 9,951.12 and 4,066.74 is: 5,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.62 : 9,951.12 = 4,066.74 : x
  2. Step 2: Convert to fraction form
    7,210.62/9,951.12 = 4,066.74/x
  3. Step 3: Cross multiply
    7,210.62x = 9,951.12 × 4,066.74
  4. Step 4: Simplify right side
    7,210.62x = 40,468,617.75
  5. Step 5: Solve for x
    x = 40,468,617.75/7,210.62
  6. Step 6: Final answer
    x = 5,612.36

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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.