Home / 9,193.56-13,780.80-5,240.04

Finding the Fourth Proportional to 9,193.56, 13,780.80 and 5,240.04

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Solution

The fourth proportional to 9,193.56, 13,780.80 and 5,240.04 is: 7,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.56 : 13,780.80 = 5,240.04 : x
  2. Step 2: Convert to fraction form
    9,193.56/13,780.80 = 5,240.04/x
  3. Step 3: Cross multiply
    9,193.56x = 13,780.80 × 5,240.04
  4. Step 4: Simplify right side
    9,193.56x = 72,211,943.23
  5. Step 5: Solve for x
    x = 72,211,943.23/9,193.56
  6. Step 6: Final answer
    x = 7,854.62

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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.