Home / 10,412.33-15,618.60-3,392.37

Finding the Fourth Proportional to 10,412.33, 15,618.60 and 3,392.37

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Solution

The fourth proportional to 10,412.33, 15,618.60 and 3,392.37 is: 5,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.33 : 15,618.60 = 3,392.37 : x
  2. Step 2: Convert to fraction form
    10,412.33/15,618.60 = 3,392.37/x
  3. Step 3: Cross multiply
    10,412.33x = 15,618.60 × 3,392.37
  4. Step 4: Simplify right side
    10,412.33x = 52,984,070.08
  5. Step 5: Solve for x
    x = 52,984,070.08/10,412.33
  6. Step 6: Final answer
    x = 5,088.59

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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.