Home / 12,240.51-16,891.70-7,204.13

Finding the Fourth Proportional to 12,240.51, 16,891.70 and 7,204.13

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Solution

The fourth proportional to 12,240.51, 16,891.70 and 7,204.13 is: 9,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.51 : 16,891.70 = 7,204.13 : x
  2. Step 2: Convert to fraction form
    12,240.51/16,891.70 = 7,204.13/x
  3. Step 3: Cross multiply
    12,240.51x = 16,891.70 × 7,204.13
  4. Step 4: Simplify right side
    12,240.51x = 121,690,002.72
  5. Step 5: Solve for x
    x = 121,690,002.72/12,240.51
  6. Step 6: Final answer
    x = 9,941.58

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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.