Home / 13,046.24-18,003.44-7,740.95

Finding the Fourth Proportional to 13,046.24, 18,003.44 and 7,740.95

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Solution

The fourth proportional to 13,046.24, 18,003.44 and 7,740.95 is: 10,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.24 : 18,003.44 = 7,740.95 : x
  2. Step 2: Convert to fraction form
    13,046.24/18,003.44 = 7,740.95/x
  3. Step 3: Cross multiply
    13,046.24x = 18,003.44 × 7,740.95
  4. Step 4: Simplify right side
    13,046.24x = 139,363,600.15
  5. Step 5: Solve for x
    x = 139,363,600.15/13,046.24
  6. Step 6: Final answer
    x = 10,682.28

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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.