Home / 12,365.04-18,547.72-4,045

Finding the Fourth Proportional to 12,365.04, 18,547.72 and 4,045

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Solution

The fourth proportional to 12,365.04, 18,547.72 and 4,045 is: 6,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.04 : 18,547.72 = 4,045 : x
  2. Step 2: Convert to fraction form
    12,365.04/18,547.72 = 4,045/x
  3. Step 3: Cross multiply
    12,365.04x = 18,547.72 × 4,045
  4. Step 4: Simplify right side
    12,365.04x = 75,025,527.40
  5. Step 5: Solve for x
    x = 75,025,527.40/12,365.04
  6. Step 6: Final answer
    x = 6,067.55

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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.