Home / 7,230.24-10,838.88-2,612.16

Finding the Fourth Proportional to 7,230.24, 10,838.88 and 2,612.16

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Solution

The fourth proportional to 7,230.24, 10,838.88 and 2,612.16 is: 3,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.24 : 10,838.88 = 2,612.16 : x
  2. Step 2: Convert to fraction form
    7,230.24/10,838.88 = 2,612.16/x
  3. Step 3: Cross multiply
    7,230.24x = 10,838.88 × 2,612.16
  4. Step 4: Simplify right side
    7,230.24x = 28,312,888.78
  5. Step 5: Solve for x
    x = 28,312,888.78/7,230.24
  6. Step 6: Final answer
    x = 3,915.90

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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.