Home / 10,365.80-15,548.70-3,792.65

Finding the Fourth Proportional to 10,365.80, 15,548.70 and 3,792.65

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Solution

The fourth proportional to 10,365.80, 15,548.70 and 3,792.65 is: 5,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.80 : 15,548.70 = 3,792.65 : x
  2. Step 2: Convert to fraction form
    10,365.80/15,548.70 = 3,792.65/x
  3. Step 3: Cross multiply
    10,365.80x = 15,548.70 × 3,792.65
  4. Step 4: Simplify right side
    10,365.80x = 58,970,777.06
  5. Step 5: Solve for x
    x = 58,970,777.06/10,365.80
  6. Step 6: Final answer
    x = 5,688.98

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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.