Home / 10,886.88-15,024.96-6,637.62

Finding the Fourth Proportional to 10,886.88, 15,024.96 and 6,637.62

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Solution

The fourth proportional to 10,886.88, 15,024.96 and 6,637.62 is: 9,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.88 : 15,024.96 = 6,637.62 : x
  2. Step 2: Convert to fraction form
    10,886.88/15,024.96 = 6,637.62/x
  3. Step 3: Cross multiply
    10,886.88x = 15,024.96 × 6,637.62
  4. Step 4: Simplify right side
    10,886.88x = 99,729,975.00
  5. Step 5: Solve for x
    x = 99,729,975.00/10,886.88
  6. Step 6: Final answer
    x = 9,160.57

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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.