Home / 12,542.22-18,831.75-5,973.12

Finding the Fourth Proportional to 12,542.22, 18,831.75 and 5,973.12

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Solution

The fourth proportional to 12,542.22, 18,831.75 and 5,973.12 is: 8,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.22 : 18,831.75 = 5,973.12 : x
  2. Step 2: Convert to fraction form
    12,542.22/18,831.75 = 5,973.12/x
  3. Step 3: Cross multiply
    12,542.22x = 18,831.75 × 5,973.12
  4. Step 4: Simplify right side
    12,542.22x = 112,484,302.56
  5. Step 5: Solve for x
    x = 112,484,302.56/12,542.22
  6. Step 6: Final answer
    x = 8,968.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.