Home / 12,365.76-18,554.73-5,792.40

Finding the Fourth Proportional to 12,365.76, 18,554.73 and 5,792.40

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Solution

The fourth proportional to 12,365.76, 18,554.73 and 5,792.40 is: 8,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.76 : 18,554.73 = 5,792.40 : x
  2. Step 2: Convert to fraction form
    12,365.76/18,554.73 = 5,792.40/x
  3. Step 3: Cross multiply
    12,365.76x = 18,554.73 × 5,792.40
  4. Step 4: Simplify right side
    12,365.76x = 107,476,418.05
  5. Step 5: Solve for x
    x = 107,476,418.05/12,365.76
  6. Step 6: Final answer
    x = 8,691.45

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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.