Home / 11,330.61-15,637.23-6,616.41

Finding the Fourth Proportional to 11,330.61, 15,637.23 and 6,616.41

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Solution

The fourth proportional to 11,330.61, 15,637.23 and 6,616.41 is: 9,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.61 : 15,637.23 = 6,616.41 : x
  2. Step 2: Convert to fraction form
    11,330.61/15,637.23 = 6,616.41/x
  3. Step 3: Cross multiply
    11,330.61x = 15,637.23 × 6,616.41
  4. Step 4: Simplify right side
    11,330.61x = 103,462,324.94
  5. Step 5: Solve for x
    x = 103,462,324.94/11,330.61
  6. Step 6: Final answer
    x = 9,131.22

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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.