Home / 9,175.20-13,762.80-4,254.45

Finding the Fourth Proportional to 9,175.20, 13,762.80 and 4,254.45

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Solution

The fourth proportional to 9,175.20, 13,762.80 and 4,254.45 is: 6,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.20 : 13,762.80 = 4,254.45 : x
  2. Step 2: Convert to fraction form
    9,175.20/13,762.80 = 4,254.45/x
  3. Step 3: Cross multiply
    9,175.20x = 13,762.80 × 4,254.45
  4. Step 4: Simplify right side
    9,175.20x = 58,553,144.46
  5. Step 5: Solve for x
    x = 58,553,144.46/9,175.20
  6. Step 6: Final answer
    x = 6,381.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.