Home / 8,054.54-11,123.71-5,543.13

Finding the Fourth Proportional to 8,054.54, 11,123.71 and 5,543.13

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Solution

The fourth proportional to 8,054.54, 11,123.71 and 5,543.13 is: 7,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.54 : 11,123.71 = 5,543.13 : x
  2. Step 2: Convert to fraction form
    8,054.54/11,123.71 = 5,543.13/x
  3. Step 3: Cross multiply
    8,054.54x = 11,123.71 × 5,543.13
  4. Step 4: Simplify right side
    8,054.54x = 61,660,156.75
  5. Step 5: Solve for x
    x = 61,660,156.75/8,054.54
  6. Step 6: Final answer
    x = 7,655.33

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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.