Home / 10,886.97-15,024.01-6,638.03

Finding the Fourth Proportional to 10,886.97, 15,024.01 and 6,638.03

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Solution

The fourth proportional to 10,886.97, 15,024.01 and 6,638.03 is: 9,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.97 : 15,024.01 = 6,638.03 : x
  2. Step 2: Convert to fraction form
    10,886.97/15,024.01 = 6,638.03/x
  3. Step 3: Cross multiply
    10,886.97x = 15,024.01 × 6,638.03
  4. Step 4: Simplify right side
    10,886.97x = 99,729,829.10
  5. Step 5: Solve for x
    x = 99,729,829.10/10,886.97
  6. Step 6: Final answer
    x = 9,160.48

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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.