Home / 11,637.72-16,060.28-6,332.80

Finding the Fourth Proportional to 11,637.72, 16,060.28 and 6,332.80

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Solution

The fourth proportional to 11,637.72, 16,060.28 and 6,332.80 is: 8,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.72 : 16,060.28 = 6,332.80 : x
  2. Step 2: Convert to fraction form
    11,637.72/16,060.28 = 6,332.80/x
  3. Step 3: Cross multiply
    11,637.72x = 16,060.28 × 6,332.80
  4. Step 4: Simplify right side
    11,637.72x = 101,706,541.18
  5. Step 5: Solve for x
    x = 101,706,541.18/11,637.72
  6. Step 6: Final answer
    x = 8,739.39

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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.