Home / 17,210.40-25,815.60-6,129.60

Finding the Fourth Proportional to 17,210.40, 25,815.60 and 6,129.60

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Solution

The fourth proportional to 17,210.40, 25,815.60 and 6,129.60 is: 9,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,210.40 : 25,815.60 = 6,129.60 : x
  2. Step 2: Convert to fraction form
    17,210.40/25,815.60 = 6,129.60/x
  3. Step 3: Cross multiply
    17,210.40x = 25,815.60 × 6,129.60
  4. Step 4: Simplify right side
    17,210.40x = 158,239,301.76
  5. Step 5: Solve for x
    x = 158,239,301.76/17,210.40
  6. Step 6: Final answer
    x = 9,194.40

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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.