Home / 13,166.01-18,168.91-7,197.66

Finding the Fourth Proportional to 13,166.01, 18,168.91 and 7,197.66

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Solution

The fourth proportional to 13,166.01, 18,168.91 and 7,197.66 is: 9,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.01 : 18,168.91 = 7,197.66 : x
  2. Step 2: Convert to fraction form
    13,166.01/18,168.91 = 7,197.66/x
  3. Step 3: Cross multiply
    13,166.01x = 18,168.91 × 7,197.66
  4. Step 4: Simplify right side
    13,166.01x = 130,773,618.76
  5. Step 5: Solve for x
    x = 130,773,618.76/13,166.01
  6. Step 6: Final answer
    x = 9,932.67

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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.