Home / 10,644.96-15,960.08-4,718.60

Finding the Fourth Proportional to 10,644.96, 15,960.08 and 4,718.60

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Solution

The fourth proportional to 10,644.96, 15,960.08 and 4,718.60 is: 7,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.96 : 15,960.08 = 4,718.60 : x
  2. Step 2: Convert to fraction form
    10,644.96/15,960.08 = 4,718.60/x
  3. Step 3: Cross multiply
    10,644.96x = 15,960.08 × 4,718.60
  4. Step 4: Simplify right side
    10,644.96x = 75,309,281.93
  5. Step 5: Solve for x
    x = 75,309,281.93/10,644.96
  6. Step 6: Final answer
    x = 7,074.64

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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.