Home / 13,275.04-18,314.04-8,237.56

Finding the Fourth Proportional to 13,275.04, 18,314.04 and 8,237.56

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Solution

The fourth proportional to 13,275.04, 18,314.04 and 8,237.56 is: 11,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.04 : 18,314.04 = 8,237.56 : x
  2. Step 2: Convert to fraction form
    13,275.04/18,314.04 = 8,237.56/x
  3. Step 3: Cross multiply
    13,275.04x = 18,314.04 × 8,237.56
  4. Step 4: Simplify right side
    13,275.04x = 150,863,003.34
  5. Step 5: Solve for x
    x = 150,863,003.34/13,275.04
  6. Step 6: Final answer
    x = 11,364.41

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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.