Home / 8,937.95-12,334.07-5,400.54

Finding the Fourth Proportional to 8,937.95, 12,334.07 and 5,400.54

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Solution

The fourth proportional to 8,937.95, 12,334.07 and 5,400.54 is: 7,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.95 : 12,334.07 = 5,400.54 : x
  2. Step 2: Convert to fraction form
    8,937.95/12,334.07 = 5,400.54/x
  3. Step 3: Cross multiply
    8,937.95x = 12,334.07 × 5,400.54
  4. Step 4: Simplify right side
    8,937.95x = 66,610,651.90
  5. Step 5: Solve for x
    x = 66,610,651.90/8,937.95
  6. Step 6: Final answer
    x = 7,452.57

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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.