Home / 11,124.48-15,359.04-9,033.60

Finding the Fourth Proportional to 11,124.48, 15,359.04 and 9,033.60

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Solution

The fourth proportional to 11,124.48, 15,359.04 and 9,033.60 is: 12,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.48 : 15,359.04 = 9,033.60 : x
  2. Step 2: Convert to fraction form
    11,124.48/15,359.04 = 9,033.60/x
  3. Step 3: Cross multiply
    11,124.48x = 15,359.04 × 9,033.60
  4. Step 4: Simplify right side
    11,124.48x = 138,747,423.74
  5. Step 5: Solve for x
    x = 138,747,423.74/11,124.48
  6. Step 6: Final answer
    x = 12,472.26

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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.