Home / 8,851.18-12,209.23-5,448.75

Finding the Fourth Proportional to 8,851.18, 12,209.23 and 5,448.75

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Solution

The fourth proportional to 8,851.18, 12,209.23 and 5,448.75 is: 7,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.18 : 12,209.23 = 5,448.75 : x
  2. Step 2: Convert to fraction form
    8,851.18/12,209.23 = 5,448.75/x
  3. Step 3: Cross multiply
    8,851.18x = 12,209.23 × 5,448.75
  4. Step 4: Simplify right side
    8,851.18x = 66,525,041.96
  5. Step 5: Solve for x
    x = 66,525,041.96/8,851.18
  6. Step 6: Final answer
    x = 7,515.95

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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.