Home / 8,053.68-11,111.88-4,909.80

Finding the Fourth Proportional to 8,053.68, 11,111.88 and 4,909.80

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Solution

The fourth proportional to 8,053.68, 11,111.88 and 4,909.80 is: 6,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.68 : 11,111.88 = 4,909.80 : x
  2. Step 2: Convert to fraction form
    8,053.68/11,111.88 = 4,909.80/x
  3. Step 3: Cross multiply
    8,053.68x = 11,111.88 × 4,909.80
  4. Step 4: Simplify right side
    8,053.68x = 54,557,108.42
  5. Step 5: Solve for x
    x = 54,557,108.42/8,053.68
  6. Step 6: Final answer
    x = 6,774.18

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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.