Home / 13,094.13-18,069.43-7,125.69

Finding the Fourth Proportional to 13,094.13, 18,069.43 and 7,125.69

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Solution

The fourth proportional to 13,094.13, 18,069.43 and 7,125.69 is: 9,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.13 : 18,069.43 = 7,125.69 : x
  2. Step 2: Convert to fraction form
    13,094.13/18,069.43 = 7,125.69/x
  3. Step 3: Cross multiply
    13,094.13x = 18,069.43 × 7,125.69
  4. Step 4: Simplify right side
    13,094.13x = 128,757,156.66
  5. Step 5: Solve for x
    x = 128,757,156.66/13,094.13
  6. Step 6: Final answer
    x = 9,833.20

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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.