Home / 8,518.04-11,750.19-7,964.72

Finding the Fourth Proportional to 8,518.04, 11,750.19 and 7,964.72

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Solution

The fourth proportional to 8,518.04, 11,750.19 and 7,964.72 is: 10,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.04 : 11,750.19 = 7,964.72 : x
  2. Step 2: Convert to fraction form
    8,518.04/11,750.19 = 7,964.72/x
  3. Step 3: Cross multiply
    8,518.04x = 11,750.19 × 7,964.72
  4. Step 4: Simplify right side
    8,518.04x = 93,586,973.30
  5. Step 5: Solve for x
    x = 93,586,973.30/8,518.04
  6. Step 6: Final answer
    x = 10,986.91

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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.