Home / 10,331.19-15,496.38-4,405.64

Finding the Fourth Proportional to 10,331.19, 15,496.38 and 4,405.64

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Solution

The fourth proportional to 10,331.19, 15,496.38 and 4,405.64 is: 6,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.19 : 15,496.38 = 4,405.64 : x
  2. Step 2: Convert to fraction form
    10,331.19/15,496.38 = 4,405.64/x
  3. Step 3: Cross multiply
    10,331.19x = 15,496.38 × 4,405.64
  4. Step 4: Simplify right side
    10,331.19x = 68,271,394.10
  5. Step 5: Solve for x
    x = 68,271,394.10/10,331.19
  6. Step 6: Final answer
    x = 6,608.28

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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.