Home / 10,411.28-15,605.80-4,858.16

Finding the Fourth Proportional to 10,411.28, 15,605.80 and 4,858.16

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Solution

The fourth proportional to 10,411.28, 15,605.80 and 4,858.16 is: 7,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.28 : 15,605.80 = 4,858.16 : x
  2. Step 2: Convert to fraction form
    10,411.28/15,605.80 = 4,858.16/x
  3. Step 3: Cross multiply
    10,411.28x = 15,605.80 × 4,858.16
  4. Step 4: Simplify right side
    10,411.28x = 75,815,473.33
  5. Step 5: Solve for x
    x = 75,815,473.33/10,411.28
  6. Step 6: Final answer
    x = 7,282.05

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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.