Home / 11,157.02-15,397.17-6,681.50

Finding the Fourth Proportional to 11,157.02, 15,397.17 and 6,681.50

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Solution

The fourth proportional to 11,157.02, 15,397.17 and 6,681.50 is: 9,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.02 : 15,397.17 = 6,681.50 : x
  2. Step 2: Convert to fraction form
    11,157.02/15,397.17 = 6,681.50/x
  3. Step 3: Cross multiply
    11,157.02x = 15,397.17 × 6,681.50
  4. Step 4: Simplify right side
    11,157.02x = 102,876,191.36
  5. Step 5: Solve for x
    x = 102,876,191.36/11,157.02
  6. Step 6: Final answer
    x = 9,220.76

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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.