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Finding the Fourth Proportional to 7,853.01, 11,763.10 and 7,313.55

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Solution

The fourth proportional to 7,853.01, 11,763.10 and 7,313.55 is: 10,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.01 : 11,763.10 = 7,313.55 : x
  2. Step 2: Convert to fraction form
    7,853.01/11,763.10 = 7,313.55/x
  3. Step 3: Cross multiply
    7,853.01x = 11,763.10 × 7,313.55
  4. Step 4: Simplify right side
    7,853.01x = 86,030,020.01
  5. Step 5: Solve for x
    x = 86,030,020.01/7,853.01
  6. Step 6: Final answer
    x = 10,955.04

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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.