Home / 10,091.40-15,069.02-8,246.16

Finding the Fourth Proportional to 10,091.40, 15,069.02 and 8,246.16

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Solution

The fourth proportional to 10,091.40, 15,069.02 and 8,246.16 is: 12,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.40 : 15,069.02 = 8,246.16 : x
  2. Step 2: Convert to fraction form
    10,091.40/15,069.02 = 8,246.16/x
  3. Step 3: Cross multiply
    10,091.40x = 15,069.02 × 8,246.16
  4. Step 4: Simplify right side
    10,091.40x = 124,261,549.96
  5. Step 5: Solve for x
    x = 124,261,549.96/10,091.40
  6. Step 6: Final answer
    x = 12,313.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.