Home / 10,088.64-15,128.16-3,514.02

Finding the Fourth Proportional to 10,088.64, 15,128.16 and 3,514.02

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Solution

The fourth proportional to 10,088.64, 15,128.16 and 3,514.02 is: 5,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.64 : 15,128.16 = 3,514.02 : x
  2. Step 2: Convert to fraction form
    10,088.64/15,128.16 = 3,514.02/x
  3. Step 3: Cross multiply
    10,088.64x = 15,128.16 × 3,514.02
  4. Step 4: Simplify right side
    10,088.64x = 53,160,656.80
  5. Step 5: Solve for x
    x = 53,160,656.80/10,088.64
  6. Step 6: Final answer
    x = 5,269.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.