Home / 7,593.20-11,389.80-5,503.40

Finding the Fourth Proportional to 7,593.20, 11,389.80 and 5,503.40

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Solution

The fourth proportional to 7,593.20, 11,389.80 and 5,503.40 is: 8,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,593.20 : 11,389.80 = 5,503.40 : x
  2. Step 2: Convert to fraction form
    7,593.20/11,389.80 = 5,503.40/x
  3. Step 3: Cross multiply
    7,593.20x = 11,389.80 × 5,503.40
  4. Step 4: Simplify right side
    7,593.20x = 62,682,625.32
  5. Step 5: Solve for x
    x = 62,682,625.32/7,593.20
  6. Step 6: Final answer
    x = 8,255.10

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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.