Home / 10,959.86-15,119.96-6,709.32

Finding the Fourth Proportional to 10,959.86, 15,119.96 and 6,709.32

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Solution

The fourth proportional to 10,959.86, 15,119.96 and 6,709.32 is: 9,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.86 : 15,119.96 = 6,709.32 : x
  2. Step 2: Convert to fraction form
    10,959.86/15,119.96 = 6,709.32/x
  3. Step 3: Cross multiply
    10,959.86x = 15,119.96 × 6,709.32
  4. Step 4: Simplify right side
    10,959.86x = 101,444,650.03
  5. Step 5: Solve for x
    x = 101,444,650.03/10,959.86
  6. Step 6: Final answer
    x = 9,256.02

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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.