Home / 13,298.77-18,352.06-7,249.07

Finding the Fourth Proportional to 13,298.77, 18,352.06 and 7,249.07

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Solution

The fourth proportional to 13,298.77, 18,352.06 and 7,249.07 is: 10,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.77 : 18,352.06 = 7,249.07 : x
  2. Step 2: Convert to fraction form
    13,298.77/18,352.06 = 7,249.07/x
  3. Step 3: Cross multiply
    13,298.77x = 18,352.06 × 7,249.07
  4. Step 4: Simplify right side
    13,298.77x = 133,035,367.58
  5. Step 5: Solve for x
    x = 133,035,367.58/13,298.77
  6. Step 6: Final answer
    x = 10,003.58

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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.