Home / 8,448.25-11,656.59-4,909.45

Finding the Fourth Proportional to 8,448.25, 11,656.59 and 4,909.45

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Solution

The fourth proportional to 8,448.25, 11,656.59 and 4,909.45 is: 6,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.25 : 11,656.59 = 4,909.45 : x
  2. Step 2: Convert to fraction form
    8,448.25/11,656.59 = 4,909.45/x
  3. Step 3: Cross multiply
    8,448.25x = 11,656.59 × 4,909.45
  4. Step 4: Simplify right side
    8,448.25x = 57,227,445.78
  5. Step 5: Solve for x
    x = 57,227,445.78/8,448.25
  6. Step 6: Final answer
    x = 6,773.88

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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.