Home / 10,188.83-14,060.37-5,712.95

Finding the Fourth Proportional to 10,188.83, 14,060.37 and 5,712.95

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Solution

The fourth proportional to 10,188.83, 14,060.37 and 5,712.95 is: 7,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.83 : 14,060.37 = 5,712.95 : x
  2. Step 2: Convert to fraction form
    10,188.83/14,060.37 = 5,712.95/x
  3. Step 3: Cross multiply
    10,188.83x = 14,060.37 × 5,712.95
  4. Step 4: Simplify right side
    10,188.83x = 80,326,190.79
  5. Step 5: Solve for x
    x = 80,326,190.79/10,188.83
  6. Step 6: Final answer
    x = 7,883.75

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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.