Home / 9,319.31-12,861.18-5,341.08

Finding the Fourth Proportional to 9,319.31, 12,861.18 and 5,341.08

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Solution

The fourth proportional to 9,319.31, 12,861.18 and 5,341.08 is: 7,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.31 : 12,861.18 = 5,341.08 : x
  2. Step 2: Convert to fraction form
    9,319.31/12,861.18 = 5,341.08/x
  3. Step 3: Cross multiply
    9,319.31x = 12,861.18 × 5,341.08
  4. Step 4: Simplify right side
    9,319.31x = 68,692,564.57
  5. Step 5: Solve for x
    x = 68,692,564.57/9,319.31
  6. Step 6: Final answer
    x = 7,371.00

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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.