Home / 13,073.52-18,035.46-7,765.32

Finding the Fourth Proportional to 13,073.52, 18,035.46 and 7,765.32

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Solution

The fourth proportional to 13,073.52, 18,035.46 and 7,765.32 is: 10,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.52 : 18,035.46 = 7,765.32 : x
  2. Step 2: Convert to fraction form
    13,073.52/18,035.46 = 7,765.32/x
  3. Step 3: Cross multiply
    13,073.52x = 18,035.46 × 7,765.32
  4. Step 4: Simplify right side
    13,073.52x = 140,051,118.25
  5. Step 5: Solve for x
    x = 140,051,118.25/13,073.52
  6. Step 6: Final answer
    x = 10,712.58

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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.