Home / 9,417.12-14,127-2,842.56

Finding the Fourth Proportional to 9,417.12, 14,127 and 2,842.56

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Solution

The fourth proportional to 9,417.12, 14,127 and 2,842.56 is: 4,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.12 : 14,127 = 2,842.56 : x
  2. Step 2: Convert to fraction form
    9,417.12/14,127 = 2,842.56/x
  3. Step 3: Cross multiply
    9,417.12x = 14,127 × 2,842.56
  4. Step 4: Simplify right side
    9,417.12x = 40,156,845.12
  5. Step 5: Solve for x
    x = 40,156,845.12/9,417.12
  6. Step 6: Final answer
    x = 4,264.24

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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.