Home / 7,612.65-10,507.49-4,470.93

Finding the Fourth Proportional to 7,612.65, 10,507.49 and 4,470.93

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Solution

The fourth proportional to 7,612.65, 10,507.49 and 4,470.93 is: 6,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.65 : 10,507.49 = 4,470.93 : x
  2. Step 2: Convert to fraction form
    7,612.65/10,507.49 = 4,470.93/x
  3. Step 3: Cross multiply
    7,612.65x = 10,507.49 × 4,470.93
  4. Step 4: Simplify right side
    7,612.65x = 46,978,229.91
  5. Step 5: Solve for x
    x = 46,978,229.91/7,612.65
  6. Step 6: Final answer
    x = 6,171.07

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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.