Home / 9,319.19-12,861.38-6,957.23

Finding the Fourth Proportional to 9,319.19, 12,861.38 and 6,957.23

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Solution

The fourth proportional to 9,319.19, 12,861.38 and 6,957.23 is: 9,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.19 : 12,861.38 = 6,957.23 : x
  2. Step 2: Convert to fraction form
    9,319.19/12,861.38 = 6,957.23/x
  3. Step 3: Cross multiply
    9,319.19x = 12,861.38 × 6,957.23
  4. Step 4: Simplify right side
    9,319.19x = 89,479,531.86
  5. Step 5: Solve for x
    x = 89,479,531.86/9,319.19
  6. Step 6: Final answer
    x = 9,601.65

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Double scale
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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.