Home / 10,476.47-15,786.86-8,668.24

Finding the Fourth Proportional to 10,476.47, 15,786.86 and 8,668.24

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Solution

The fourth proportional to 10,476.47, 15,786.86 and 8,668.24 is: 13,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.47 : 15,786.86 = 8,668.24 : x
  2. Step 2: Convert to fraction form
    10,476.47/15,786.86 = 8,668.24/x
  3. Step 3: Cross multiply
    10,476.47x = 15,786.86 × 8,668.24
  4. Step 4: Simplify right side
    10,476.47x = 136,844,208.52
  5. Step 5: Solve for x
    x = 136,844,208.52/10,476.47
  6. Step 6: Final answer
    x = 13,062.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.