Home / 10,967.60-15,135.66-6,187.50

Finding the Fourth Proportional to 10,967.60, 15,135.66 and 6,187.50

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Solution

The fourth proportional to 10,967.60, 15,135.66 and 6,187.50 is: 8,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.60 : 15,135.66 = 6,187.50 : x
  2. Step 2: Convert to fraction form
    10,967.60/15,135.66 = 6,187.50/x
  3. Step 3: Cross multiply
    10,967.60x = 15,135.66 × 6,187.50
  4. Step 4: Simplify right side
    10,967.60x = 93,651,896.25
  5. Step 5: Solve for x
    x = 93,651,896.25/10,967.60
  6. Step 6: Final answer
    x = 8,538.96

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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.