Home / 7,354.17-10,147.61-4,209.75

Finding the Fourth Proportional to 7,354.17, 10,147.61 and 4,209.75

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Solution

The fourth proportional to 7,354.17, 10,147.61 and 4,209.75 is: 5,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.17 : 10,147.61 = 4,209.75 : x
  2. Step 2: Convert to fraction form
    7,354.17/10,147.61 = 4,209.75/x
  3. Step 3: Cross multiply
    7,354.17x = 10,147.61 × 4,209.75
  4. Step 4: Simplify right side
    7,354.17x = 42,718,911.72
  5. Step 5: Solve for x
    x = 42,718,911.72/7,354.17
  6. Step 6: Final answer
    x = 5,808.80

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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.