Home / 13,117.15-18,094.71-8,082.46

Finding the Fourth Proportional to 13,117.15, 18,094.71 and 8,082.46

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Solution

The fourth proportional to 13,117.15, 18,094.71 and 8,082.46 is: 11,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.15 : 18,094.71 = 8,082.46 : x
  2. Step 2: Convert to fraction form
    13,117.15/18,094.71 = 8,082.46/x
  3. Step 3: Cross multiply
    13,117.15x = 18,094.71 × 8,082.46
  4. Step 4: Simplify right side
    13,117.15x = 146,249,769.79
  5. Step 5: Solve for x
    x = 146,249,769.79/13,117.15
  6. Step 6: Final answer
    x = 11,149.51

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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.