Home / 10,532.16-15,777.04-4,990.85

Finding the Fourth Proportional to 10,532.16, 15,777.04 and 4,990.85

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Solution

The fourth proportional to 10,532.16, 15,777.04 and 4,990.85 is: 7,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.16 : 15,777.04 = 4,990.85 : x
  2. Step 2: Convert to fraction form
    10,532.16/15,777.04 = 4,990.85/x
  3. Step 3: Cross multiply
    10,532.16x = 15,777.04 × 4,990.85
  4. Step 4: Simplify right side
    10,532.16x = 78,740,840.08
  5. Step 5: Solve for x
    x = 78,740,840.08/10,532.16
  6. Step 6: Final answer
    x = 7,476.23

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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.