Home / 9,555.50-13,186.68-5,363.84

Finding the Fourth Proportional to 9,555.50, 13,186.68 and 5,363.84

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Solution

The fourth proportional to 9,555.50, 13,186.68 and 5,363.84 is: 7,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.50 : 13,186.68 = 5,363.84 : x
  2. Step 2: Convert to fraction form
    9,555.50/13,186.68 = 5,363.84/x
  3. Step 3: Cross multiply
    9,555.50x = 13,186.68 × 5,363.84
  4. Step 4: Simplify right side
    9,555.50x = 70,731,241.65
  5. Step 5: Solve for x
    x = 70,731,241.65/9,555.50
  6. Step 6: Final answer
    x = 7,402.15

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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.