Home / 8,357.90-11,532.39-5,373.05

Finding the Fourth Proportional to 8,357.90, 11,532.39 and 5,373.05

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Solution

The fourth proportional to 8,357.90, 11,532.39 and 5,373.05 is: 7,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.90 : 11,532.39 = 5,373.05 : x
  2. Step 2: Convert to fraction form
    8,357.90/11,532.39 = 5,373.05/x
  3. Step 3: Cross multiply
    8,357.90x = 11,532.39 × 5,373.05
  4. Step 4: Simplify right side
    8,357.90x = 61,964,108.09
  5. Step 5: Solve for x
    x = 61,964,108.09/8,357.90
  6. Step 6: Final answer
    x = 7,413.84

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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.