Home / 12,295.30-18,444.48-3,530.38

Finding the Fourth Proportional to 12,295.30, 18,444.48 and 3,530.38

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Solution

The fourth proportional to 12,295.30, 18,444.48 and 3,530.38 is: 5,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.30 : 18,444.48 = 3,530.38 : x
  2. Step 2: Convert to fraction form
    12,295.30/18,444.48 = 3,530.38/x
  3. Step 3: Cross multiply
    12,295.30x = 18,444.48 × 3,530.38
  4. Step 4: Simplify right side
    12,295.30x = 65,116,023.30
  5. Step 5: Solve for x
    x = 65,116,023.30/12,295.30
  6. Step 6: Final answer
    x = 5,296.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.