Home / 8,577.60-11,838.96-5,042.86

Finding the Fourth Proportional to 8,577.60, 11,838.96 and 5,042.86

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Solution

The fourth proportional to 8,577.60, 11,838.96 and 5,042.86 is: 6,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.60 : 11,838.96 = 5,042.86 : x
  2. Step 2: Convert to fraction form
    8,577.60/11,838.96 = 5,042.86/x
  3. Step 3: Cross multiply
    8,577.60x = 11,838.96 × 5,042.86
  4. Step 4: Simplify right side
    8,577.60x = 59,702,188.23
  5. Step 5: Solve for x
    x = 59,702,188.23/8,577.60
  6. Step 6: Final answer
    x = 6,960.25

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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.