Home / 8,143.40-11,232.06-5,000.60

Finding the Fourth Proportional to 8,143.40, 11,232.06 and 5,000.60

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Solution

The fourth proportional to 8,143.40, 11,232.06 and 5,000.60 is: 6,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.40 : 11,232.06 = 5,000.60 : x
  2. Step 2: Convert to fraction form
    8,143.40/11,232.06 = 5,000.60/x
  3. Step 3: Cross multiply
    8,143.40x = 11,232.06 × 5,000.60
  4. Step 4: Simplify right side
    8,143.40x = 56,167,039.24
  5. Step 5: Solve for x
    x = 56,167,039.24/8,143.40
  6. Step 6: Final answer
    x = 6,897.25

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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.