Home / 7,973.15-11,959.73-3,812.18

Finding the Fourth Proportional to 7,973.15, 11,959.73 and 3,812.18

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Solution

The fourth proportional to 7,973.15, 11,959.73 and 3,812.18 is: 5,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.15 : 11,959.73 = 3,812.18 : x
  2. Step 2: Convert to fraction form
    7,973.15/11,959.73 = 3,812.18/x
  3. Step 3: Cross multiply
    7,973.15x = 11,959.73 × 3,812.18
  4. Step 4: Simplify right side
    7,973.15x = 45,592,564.65
  5. Step 5: Solve for x
    x = 45,592,564.65/7,973.15
  6. Step 6: Final answer
    x = 5,718.27

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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.