Home / 8,937.10-13,401.33-5,240.53

Finding the Fourth Proportional to 8,937.10, 13,401.33 and 5,240.53

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Solution

The fourth proportional to 8,937.10, 13,401.33 and 5,240.53 is: 7,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.10 : 13,401.33 = 5,240.53 : x
  2. Step 2: Convert to fraction form
    8,937.10/13,401.33 = 5,240.53/x
  3. Step 3: Cross multiply
    8,937.10x = 13,401.33 × 5,240.53
  4. Step 4: Simplify right side
    8,937.10x = 70,230,071.90
  5. Step 5: Solve for x
    x = 70,230,071.90/8,937.10
  6. Step 6: Final answer
    x = 7,858.26

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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.