Home / 7,534.10-10,396.80-4,176.78

Finding the Fourth Proportional to 7,534.10, 10,396.80 and 4,176.78

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Solution

The fourth proportional to 7,534.10, 10,396.80 and 4,176.78 is: 5,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.10 : 10,396.80 = 4,176.78 : x
  2. Step 2: Convert to fraction form
    7,534.10/10,396.80 = 4,176.78/x
  3. Step 3: Cross multiply
    7,534.10x = 10,396.80 × 4,176.78
  4. Step 4: Simplify right side
    7,534.10x = 43,425,146.30
  5. Step 5: Solve for x
    x = 43,425,146.30/7,534.10
  6. Step 6: Final answer
    x = 5,763.82

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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.