Home / 12,743.02-17,584.98-7,154.02

Finding the Fourth Proportional to 12,743.02, 17,584.98 and 7,154.02

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Solution

The fourth proportional to 12,743.02, 17,584.98 and 7,154.02 is: 9,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.02 : 17,584.98 = 7,154.02 : x
  2. Step 2: Convert to fraction form
    12,743.02/17,584.98 = 7,154.02/x
  3. Step 3: Cross multiply
    12,743.02x = 17,584.98 × 7,154.02
  4. Step 4: Simplify right side
    12,743.02x = 125,803,210.69
  5. Step 5: Solve for x
    x = 125,803,210.69/12,743.02
  6. Step 6: Final answer
    x = 9,872.33

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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.