Home / 10,364.13-15,513.17-8,260.43

Finding the Fourth Proportional to 10,364.13, 15,513.17 and 8,260.43

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Solution

The fourth proportional to 10,364.13, 15,513.17 and 8,260.43 is: 12,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.13 : 15,513.17 = 8,260.43 : x
  2. Step 2: Convert to fraction form
    10,364.13/15,513.17 = 8,260.43/x
  3. Step 3: Cross multiply
    10,364.13x = 15,513.17 × 8,260.43
  4. Step 4: Simplify right side
    10,364.13x = 128,145,336.00
  5. Step 5: Solve for x
    x = 128,145,336.00/10,364.13
  6. Step 6: Final answer
    x = 12,364.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.