Home / 12,295.11-18,442.55-3,530.01

Finding the Fourth Proportional to 12,295.11, 18,442.55 and 3,530.01

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Solution

The fourth proportional to 12,295.11, 18,442.55 and 3,530.01 is: 5,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.11 : 18,442.55 = 3,530.01 : x
  2. Step 2: Convert to fraction form
    12,295.11/18,442.55 = 3,530.01/x
  3. Step 3: Cross multiply
    12,295.11x = 18,442.55 × 3,530.01
  4. Step 4: Simplify right side
    12,295.11x = 65,102,368.28
  5. Step 5: Solve for x
    x = 65,102,368.28/12,295.11
  6. Step 6: Final answer
    x = 5,294.98

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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.