Home / 8,110.02-11,191.03-5,124.76

Finding the Fourth Proportional to 8,110.02, 11,191.03 and 5,124.76

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Solution

The fourth proportional to 8,110.02, 11,191.03 and 5,124.76 is: 7,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.02 : 11,191.03 = 5,124.76 : x
  2. Step 2: Convert to fraction form
    8,110.02/11,191.03 = 5,124.76/x
  3. Step 3: Cross multiply
    8,110.02x = 11,191.03 × 5,124.76
  4. Step 4: Simplify right side
    8,110.02x = 57,351,342.90
  5. Step 5: Solve for x
    x = 57,351,342.90/8,110.02
  6. Step 6: Final answer
    x = 7,071.66

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Half scale
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Double scale
Find fourth proportional to 8,111.02, 11,192.41 and 5,125.76
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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.