Home / 6,432.48-8,870.13-4,413.69

Finding the Fourth Proportional to 6,432.48, 8,870.13 and 4,413.69

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Solution

The fourth proportional to 6,432.48, 8,870.13 and 4,413.69 is: 6,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.48 : 8,870.13 = 4,413.69 : x
  2. Step 2: Convert to fraction form
    6,432.48/8,870.13 = 4,413.69/x
  3. Step 3: Cross multiply
    6,432.48x = 8,870.13 × 4,413.69
  4. Step 4: Simplify right side
    6,432.48x = 39,150,004.08
  5. Step 5: Solve for x
    x = 39,150,004.08/6,432.48
  6. Step 6: Final answer
    x = 6,086.30

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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.