Home / 12,524.84-17,280.36-7,218.93

Finding the Fourth Proportional to 12,524.84, 17,280.36 and 7,218.93

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Solution

The fourth proportional to 12,524.84, 17,280.36 and 7,218.93 is: 9,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.84 : 17,280.36 = 7,218.93 : x
  2. Step 2: Convert to fraction form
    12,524.84/17,280.36 = 7,218.93/x
  3. Step 3: Cross multiply
    12,524.84x = 17,280.36 × 7,218.93
  4. Step 4: Simplify right side
    12,524.84x = 124,745,709.21
  5. Step 5: Solve for x
    x = 124,745,709.21/12,524.84
  6. Step 6: Final answer
    x = 9,959.87

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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.