Home / 10,023.78-13,832.10-5,547.18

Finding the Fourth Proportional to 10,023.78, 13,832.10 and 5,547.18

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Solution

The fourth proportional to 10,023.78, 13,832.10 and 5,547.18 is: 7,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.78 : 13,832.10 = 5,547.18 : x
  2. Step 2: Convert to fraction form
    10,023.78/13,832.10 = 5,547.18/x
  3. Step 3: Cross multiply
    10,023.78x = 13,832.10 × 5,547.18
  4. Step 4: Simplify right side
    10,023.78x = 76,729,148.48
  5. Step 5: Solve for x
    x = 76,729,148.48/10,023.78
  6. Step 6: Final answer
    x = 7,654.71

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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.