Home / 10,203.72-14,079.35-5,727.66

Finding the Fourth Proportional to 10,203.72, 14,079.35 and 5,727.66

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Solution

The fourth proportional to 10,203.72, 14,079.35 and 5,727.66 is: 7,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.72 : 14,079.35 = 5,727.66 : x
  2. Step 2: Convert to fraction form
    10,203.72/14,079.35 = 5,727.66/x
  3. Step 3: Cross multiply
    10,203.72x = 14,079.35 × 5,727.66
  4. Step 4: Simplify right side
    10,203.72x = 80,641,659.42
  5. Step 5: Solve for x
    x = 80,641,659.42/10,203.72
  6. Step 6: Final answer
    x = 7,903.17

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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.