Home / 11,531.03-15,914.02-7,057.76

Finding the Fourth Proportional to 11,531.03, 15,914.02 and 7,057.76

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Solution

The fourth proportional to 11,531.03, 15,914.02 and 7,057.76 is: 9,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.03 : 15,914.02 = 7,057.76 : x
  2. Step 2: Convert to fraction form
    11,531.03/15,914.02 = 7,057.76/x
  3. Step 3: Cross multiply
    11,531.03x = 15,914.02 × 7,057.76
  4. Step 4: Simplify right side
    11,531.03x = 112,317,333.80
  5. Step 5: Solve for x
    x = 112,317,333.80/11,531.03
  6. Step 6: Final answer
    x = 9,740.44

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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.