Home / 11,510.16-15,884.60-6,475.97

Finding the Fourth Proportional to 11,510.16, 15,884.60 and 6,475.97

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Solution

The fourth proportional to 11,510.16, 15,884.60 and 6,475.97 is: 8,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.16 : 15,884.60 = 6,475.97 : x
  2. Step 2: Convert to fraction form
    11,510.16/15,884.60 = 6,475.97/x
  3. Step 3: Cross multiply
    11,510.16x = 15,884.60 × 6,475.97
  4. Step 4: Simplify right side
    11,510.16x = 102,868,081.26
  5. Step 5: Solve for x
    x = 102,868,081.26/11,510.16
  6. Step 6: Final answer
    x = 8,937.15

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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.