Home / 7,423.17-11,131.28-4,304.07

Finding the Fourth Proportional to 7,423.17, 11,131.28 and 4,304.07

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Solution

The fourth proportional to 7,423.17, 11,131.28 and 4,304.07 is: 6,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.17 : 11,131.28 = 4,304.07 : x
  2. Step 2: Convert to fraction form
    7,423.17/11,131.28 = 4,304.07/x
  3. Step 3: Cross multiply
    7,423.17x = 11,131.28 × 4,304.07
  4. Step 4: Simplify right side
    7,423.17x = 47,909,752.65
  5. Step 5: Solve for x
    x = 47,909,752.65/7,423.17
  6. Step 6: Final answer
    x = 6,454.08

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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.