Home / 10,928.64-15,080.96-5,959.68

Finding the Fourth Proportional to 10,928.64, 15,080.96 and 5,959.68

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Solution

The fourth proportional to 10,928.64, 15,080.96 and 5,959.68 is: 8,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.64 : 15,080.96 = 5,959.68 : x
  2. Step 2: Convert to fraction form
    10,928.64/15,080.96 = 5,959.68/x
  3. Step 3: Cross multiply
    10,928.64x = 15,080.96 × 5,959.68
  4. Step 4: Simplify right side
    10,928.64x = 89,877,695.69
  5. Step 5: Solve for x
    x = 89,877,695.69/10,928.64
  6. Step 6: Final answer
    x = 8,224.05

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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.