Home / 10,440.97-15,670.63-5,513.92

Finding the Fourth Proportional to 10,440.97, 15,670.63 and 5,513.92

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Solution

The fourth proportional to 10,440.97, 15,670.63 and 5,513.92 is: 8,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.97 : 15,670.63 = 5,513.92 : x
  2. Step 2: Convert to fraction form
    10,440.97/15,670.63 = 5,513.92/x
  3. Step 3: Cross multiply
    10,440.97x = 15,670.63 × 5,513.92
  4. Step 4: Simplify right side
    10,440.97x = 86,406,567.89
  5. Step 5: Solve for x
    x = 86,406,567.89/10,440.97
  6. Step 6: Final answer
    x = 8,275.72

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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.