Home / 7,516.61-11,276.76-2,586.32

Finding the Fourth Proportional to 7,516.61, 11,276.76 and 2,586.32

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Solution

The fourth proportional to 7,516.61, 11,276.76 and 2,586.32 is: 3,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.61 : 11,276.76 = 2,586.32 : x
  2. Step 2: Convert to fraction form
    7,516.61/11,276.76 = 2,586.32/x
  3. Step 3: Cross multiply
    7,516.61x = 11,276.76 × 2,586.32
  4. Step 4: Simplify right side
    7,516.61x = 29,165,309.92
  5. Step 5: Solve for x
    x = 29,165,309.92/7,516.61
  6. Step 6: Final answer
    x = 3,880.11

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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.