Home / 10,393.26-14,342.70-5,677.86

Finding the Fourth Proportional to 10,393.26, 14,342.70 and 5,677.86

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Solution

The fourth proportional to 10,393.26, 14,342.70 and 5,677.86 is: 7,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.26 : 14,342.70 = 5,677.86 : x
  2. Step 2: Convert to fraction form
    10,393.26/14,342.70 = 5,677.86/x
  3. Step 3: Cross multiply
    10,393.26x = 14,342.70 × 5,677.86
  4. Step 4: Simplify right side
    10,393.26x = 81,435,842.62
  5. Step 5: Solve for x
    x = 81,435,842.62/10,393.26
  6. Step 6: Final answer
    x = 7,835.45

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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.