Home / 10,425.46-14,386.66-5,709.64

Finding the Fourth Proportional to 10,425.46, 14,386.66 and 5,709.64

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Solution

The fourth proportional to 10,425.46, 14,386.66 and 5,709.64 is: 7,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.46 : 14,386.66 = 5,709.64 : x
  2. Step 2: Convert to fraction form
    10,425.46/14,386.66 = 5,709.64/x
  3. Step 3: Cross multiply
    10,425.46x = 14,386.66 × 5,709.64
  4. Step 4: Simplify right side
    10,425.46x = 82,142,649.40
  5. Step 5: Solve for x
    x = 82,142,649.40/10,425.46
  6. Step 6: Final answer
    x = 7,879.04

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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.