Home / 12,455.01-17,184.22-7,416.70

Finding the Fourth Proportional to 12,455.01, 17,184.22 and 7,416.70

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Solution

The fourth proportional to 12,455.01, 17,184.22 and 7,416.70 is: 10,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.01 : 17,184.22 = 7,416.70 : x
  2. Step 2: Convert to fraction form
    12,455.01/17,184.22 = 7,416.70/x
  3. Step 3: Cross multiply
    12,455.01x = 17,184.22 × 7,416.70
  4. Step 4: Simplify right side
    12,455.01x = 127,450,204.47
  5. Step 5: Solve for x
    x = 127,450,204.47/12,455.01
  6. Step 6: Final answer
    x = 10,232.85

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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.