Home / 12,819.02-17,693.47-7,233.26

Finding the Fourth Proportional to 12,819.02, 17,693.47 and 7,233.26

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Solution

The fourth proportional to 12,819.02, 17,693.47 and 7,233.26 is: 9,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.02 : 17,693.47 = 7,233.26 : x
  2. Step 2: Convert to fraction form
    12,819.02/17,693.47 = 7,233.26/x
  3. Step 3: Cross multiply
    12,819.02x = 17,693.47 × 7,233.26
  4. Step 4: Simplify right side
    12,819.02x = 127,981,468.81
  5. Step 5: Solve for x
    x = 127,981,468.81/12,819.02
  6. Step 6: Final answer
    x = 9,983.72

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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.