Home / 11,132.10-15,357.51-6,413.58

Finding the Fourth Proportional to 11,132.10, 15,357.51 and 6,413.58

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Solution

The fourth proportional to 11,132.10, 15,357.51 and 6,413.58 is: 8,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.10 : 15,357.51 = 6,413.58 : x
  2. Step 2: Convert to fraction form
    11,132.10/15,357.51 = 6,413.58/x
  3. Step 3: Cross multiply
    11,132.10x = 15,357.51 × 6,413.58
  4. Step 4: Simplify right side
    11,132.10x = 98,496,618.99
  5. Step 5: Solve for x
    x = 98,496,618.99/11,132.10
  6. Step 6: Final answer
    x = 8,847.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.