Home / 9,204.51-12,701.25-5,171.79

Finding the Fourth Proportional to 9,204.51, 12,701.25 and 5,171.79

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Solution

The fourth proportional to 9,204.51, 12,701.25 and 5,171.79 is: 7,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.51 : 12,701.25 = 5,171.79 : x
  2. Step 2: Convert to fraction form
    9,204.51/12,701.25 = 5,171.79/x
  3. Step 3: Cross multiply
    9,204.51x = 12,701.25 × 5,171.79
  4. Step 4: Simplify right side
    9,204.51x = 65,688,197.74
  5. Step 5: Solve for x
    x = 65,688,197.74/9,204.51
  6. Step 6: Final answer
    x = 7,136.52

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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.