Home / 7,009.40-9,673.80-4,025.36

Finding the Fourth Proportional to 7,009.40, 9,673.80 and 4,025.36

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Solution

The fourth proportional to 7,009.40, 9,673.80 and 4,025.36 is: 5,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.40 : 9,673.80 = 4,025.36 : x
  2. Step 2: Convert to fraction form
    7,009.40/9,673.80 = 4,025.36/x
  3. Step 3: Cross multiply
    7,009.40x = 9,673.80 × 4,025.36
  4. Step 4: Simplify right side
    7,009.40x = 38,940,527.57
  5. Step 5: Solve for x
    x = 38,940,527.57/7,009.40
  6. Step 6: Final answer
    x = 5,555.47

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Half scale
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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.