Home / 9,555.48-13,187.34-5,306.96

Finding the Fourth Proportional to 9,555.48, 13,187.34 and 5,306.96

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Solution

The fourth proportional to 9,555.48, 13,187.34 and 5,306.96 is: 7,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.48 : 13,187.34 = 5,306.96 : x
  2. Step 2: Convert to fraction form
    9,555.48/13,187.34 = 5,306.96/x
  3. Step 3: Cross multiply
    9,555.48x = 13,187.34 × 5,306.96
  4. Step 4: Simplify right side
    9,555.48x = 69,984,718.85
  5. Step 5: Solve for x
    x = 69,984,718.85/9,555.48
  6. Step 6: Final answer
    x = 7,324.04

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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.