Home / 10,079.92-13,905.80-5,886.32

Finding the Fourth Proportional to 10,079.92, 13,905.80 and 5,886.32

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Solution

The fourth proportional to 10,079.92, 13,905.80 and 5,886.32 is: 8,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.92 : 13,905.80 = 5,886.32 : x
  2. Step 2: Convert to fraction form
    10,079.92/13,905.80 = 5,886.32/x
  3. Step 3: Cross multiply
    10,079.92x = 13,905.80 × 5,886.32
  4. Step 4: Simplify right side
    10,079.92x = 81,853,988.66
  5. Step 5: Solve for x
    x = 81,853,988.66/10,079.92
  6. Step 6: Final answer
    x = 8,120.50

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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.