Home / 10,062.89-13,891.79-6,288.16

Finding the Fourth Proportional to 10,062.89, 13,891.79 and 6,288.16

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Solution

The fourth proportional to 10,062.89, 13,891.79 and 6,288.16 is: 8,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.89 : 13,891.79 = 6,288.16 : x
  2. Step 2: Convert to fraction form
    10,062.89/13,891.79 = 6,288.16/x
  3. Step 3: Cross multiply
    10,062.89x = 13,891.79 × 6,288.16
  4. Step 4: Simplify right side
    10,062.89x = 87,353,798.21
  5. Step 5: Solve for x
    x = 87,353,798.21/10,062.89
  6. Step 6: Final answer
    x = 8,680.79

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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.