Home / 7,672.62-10,586.76-4,689.18

Finding the Fourth Proportional to 7,672.62, 10,586.76 and 4,689.18

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Solution

The fourth proportional to 7,672.62, 10,586.76 and 4,689.18 is: 6,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.62 : 10,586.76 = 4,689.18 : x
  2. Step 2: Convert to fraction form
    7,672.62/10,586.76 = 4,689.18/x
  3. Step 3: Cross multiply
    7,672.62x = 10,586.76 × 4,689.18
  4. Step 4: Simplify right side
    7,672.62x = 49,643,223.26
  5. Step 5: Solve for x
    x = 49,643,223.26/7,672.62
  6. Step 6: Final answer
    x = 6,470.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.