Home / 11,541.10-17,311.65-7,102.30

Finding the Fourth Proportional to 11,541.10, 17,311.65 and 7,102.30

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Solution

The fourth proportional to 11,541.10, 17,311.65 and 7,102.30 is: 10,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.10 : 17,311.65 = 7,102.30 : x
  2. Step 2: Convert to fraction form
    11,541.10/17,311.65 = 7,102.30/x
  3. Step 3: Cross multiply
    11,541.10x = 17,311.65 × 7,102.30
  4. Step 4: Simplify right side
    11,541.10x = 122,952,531.80
  5. Step 5: Solve for x
    x = 122,952,531.80/11,541.10
  6. Step 6: Final answer
    x = 10,653.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.