Home / 10,971.59-15,141.20-6,255.63

Finding the Fourth Proportional to 10,971.59, 15,141.20 and 6,255.63

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Solution

The fourth proportional to 10,971.59, 15,141.20 and 6,255.63 is: 8,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.59 : 15,141.20 = 6,255.63 : x
  2. Step 2: Convert to fraction form
    10,971.59/15,141.20 = 6,255.63/x
  3. Step 3: Cross multiply
    10,971.59x = 15,141.20 × 6,255.63
  4. Step 4: Simplify right side
    10,971.59x = 94,717,713.68
  5. Step 5: Solve for x
    x = 94,717,713.68/10,971.59
  6. Step 6: Final answer
    x = 8,633.00

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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.