Home / 13,069.30-18,035.58-7,100.92

Finding the Fourth Proportional to 13,069.30, 18,035.58 and 7,100.92

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Solution

The fourth proportional to 13,069.30, 18,035.58 and 7,100.92 is: 9,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.30 : 18,035.58 = 7,100.92 : x
  2. Step 2: Convert to fraction form
    13,069.30/18,035.58 = 7,100.92/x
  3. Step 3: Cross multiply
    13,069.30x = 18,035.58 × 7,100.92
  4. Step 4: Simplify right side
    13,069.30x = 128,069,183.40
  5. Step 5: Solve for x
    x = 128,069,183.40/13,069.30
  6. Step 6: Final answer
    x = 9,799.24

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Double scale
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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.