Home / 12,278.17-18,417.30-3,044.17

Finding the Fourth Proportional to 12,278.17, 18,417.30 and 3,044.17

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Solution

The fourth proportional to 12,278.17, 18,417.30 and 3,044.17 is: 4,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.17 : 18,417.30 = 3,044.17 : x
  2. Step 2: Convert to fraction form
    12,278.17/18,417.30 = 3,044.17/x
  3. Step 3: Cross multiply
    12,278.17x = 18,417.30 × 3,044.17
  4. Step 4: Simplify right side
    12,278.17x = 56,065,392.14
  5. Step 5: Solve for x
    x = 56,065,392.14/12,278.17
  6. Step 6: Final answer
    x = 4,566.27

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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.