Home / 8,904.08-12,287.75-5,548.25

Finding the Fourth Proportional to 8,904.08, 12,287.75 and 5,548.25

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Solution

The fourth proportional to 8,904.08, 12,287.75 and 5,548.25 is: 7,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.08 : 12,287.75 = 5,548.25 : x
  2. Step 2: Convert to fraction form
    8,904.08/12,287.75 = 5,548.25/x
  3. Step 3: Cross multiply
    8,904.08x = 12,287.75 × 5,548.25
  4. Step 4: Simplify right side
    8,904.08x = 68,175,419.76
  5. Step 5: Solve for x
    x = 68,175,419.76/8,904.08
  6. Step 6: Final answer
    x = 7,656.65

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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.