Home / 11,703.12-17,564.40-5,132.40

Finding the Fourth Proportional to 11,703.12, 17,564.40 and 5,132.40

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Solution

The fourth proportional to 11,703.12, 17,564.40 and 5,132.40 is: 7,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.12 : 17,564.40 = 5,132.40 : x
  2. Step 2: Convert to fraction form
    11,703.12/17,564.40 = 5,132.40/x
  3. Step 3: Cross multiply
    11,703.12x = 17,564.40 × 5,132.40
  4. Step 4: Simplify right side
    11,703.12x = 90,147,526.56
  5. Step 5: Solve for x
    x = 90,147,526.56/11,703.12
  6. Step 6: Final answer
    x = 7,702.86

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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.