Home / 12,501.54-18,755.10-4,710.42

Finding the Fourth Proportional to 12,501.54, 18,755.10 and 4,710.42

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Solution

The fourth proportional to 12,501.54, 18,755.10 and 4,710.42 is: 7,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.54 : 18,755.10 = 4,710.42 : x
  2. Step 2: Convert to fraction form
    12,501.54/18,755.10 = 4,710.42/x
  3. Step 3: Cross multiply
    12,501.54x = 18,755.10 × 4,710.42
  4. Step 4: Simplify right side
    12,501.54x = 88,344,398.14
  5. Step 5: Solve for x
    x = 88,344,398.14/12,501.54
  6. Step 6: Final answer
    x = 7,066.68

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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.