Home / 7,470.36-10,308.67-4,112.62

Finding the Fourth Proportional to 7,470.36, 10,308.67 and 4,112.62

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Solution

The fourth proportional to 7,470.36, 10,308.67 and 4,112.62 is: 5,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.36 : 10,308.67 = 4,112.62 : x
  2. Step 2: Convert to fraction form
    7,470.36/10,308.67 = 4,112.62/x
  3. Step 3: Cross multiply
    7,470.36x = 10,308.67 × 4,112.62
  4. Step 4: Simplify right side
    7,470.36x = 42,395,606.36
  5. Step 5: Solve for x
    x = 42,395,606.36/7,470.36
  6. Step 6: Final answer
    x = 5,675.18

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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.