Home / 10,422.42-14,382.84-5,706.69

Finding the Fourth Proportional to 10,422.42, 14,382.84 and 5,706.69

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Solution

The fourth proportional to 10,422.42, 14,382.84 and 5,706.69 is: 7,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.42 : 14,382.84 = 5,706.69 : x
  2. Step 2: Convert to fraction form
    10,422.42/14,382.84 = 5,706.69/x
  3. Step 3: Cross multiply
    10,422.42x = 14,382.84 × 5,706.69
  4. Step 4: Simplify right side
    10,422.42x = 82,078,409.20
  5. Step 5: Solve for x
    x = 82,078,409.20/10,422.42
  6. Step 6: Final answer
    x = 7,875.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.