Home / 8,727.90-12,048.39-5,192.34

Finding the Fourth Proportional to 8,727.90, 12,048.39 and 5,192.34

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Solution

The fourth proportional to 8,727.90, 12,048.39 and 5,192.34 is: 7,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.90 : 12,048.39 = 5,192.34 : x
  2. Step 2: Convert to fraction form
    8,727.90/12,048.39 = 5,192.34/x
  3. Step 3: Cross multiply
    8,727.90x = 12,048.39 × 5,192.34
  4. Step 4: Simplify right side
    8,727.90x = 62,559,337.33
  5. Step 5: Solve for x
    x = 62,559,337.33/8,727.90
  6. Step 6: Final answer
    x = 7,167.74

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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.