Home / 10,422.44-14,382.58-5,706.76

Finding the Fourth Proportional to 10,422.44, 14,382.58 and 5,706.76

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Solution

The fourth proportional to 10,422.44, 14,382.58 and 5,706.76 is: 7,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.44 : 14,382.58 = 5,706.76 : x
  2. Step 2: Convert to fraction form
    10,422.44/14,382.58 = 5,706.76/x
  3. Step 3: Cross multiply
    10,422.44x = 14,382.58 × 5,706.76
  4. Step 4: Simplify right side
    10,422.44x = 82,077,932.24
  5. Step 5: Solve for x
    x = 82,077,932.24/10,422.44
  6. Step 6: Final answer
    x = 7,875.12

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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.