Home / 11,444.12-17,173.40-4,870.29

Finding the Fourth Proportional to 11,444.12, 17,173.40 and 4,870.29

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Solution

The fourth proportional to 11,444.12, 17,173.40 and 4,870.29 is: 7,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.12 : 17,173.40 = 4,870.29 : x
  2. Step 2: Convert to fraction form
    11,444.12/17,173.40 = 4,870.29/x
  3. Step 3: Cross multiply
    11,444.12x = 17,173.40 × 4,870.29
  4. Step 4: Simplify right side
    11,444.12x = 83,639,413.93
  5. Step 5: Solve for x
    x = 83,639,413.93/11,444.12
  6. Step 6: Final answer
    x = 7,308.51

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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.