Home / 10,350.90-15,536.04-5,424.06

Finding the Fourth Proportional to 10,350.90, 15,536.04 and 5,424.06

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Solution

The fourth proportional to 10,350.90, 15,536.04 and 5,424.06 is: 8,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.90 : 15,536.04 = 5,424.06 : x
  2. Step 2: Convert to fraction form
    10,350.90/15,536.04 = 5,424.06/x
  3. Step 3: Cross multiply
    10,350.90x = 15,536.04 × 5,424.06
  4. Step 4: Simplify right side
    10,350.90x = 84,268,413.12
  5. Step 5: Solve for x
    x = 84,268,413.12/10,350.90
  6. Step 6: Final answer
    x = 8,141.17

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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.