Home / 7,722.89-10,665.14-6,597.26

Finding the Fourth Proportional to 7,722.89, 10,665.14 and 6,597.26

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Solution

The fourth proportional to 7,722.89, 10,665.14 and 6,597.26 is: 9,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.89 : 10,665.14 = 6,597.26 : x
  2. Step 2: Convert to fraction form
    7,722.89/10,665.14 = 6,597.26/x
  3. Step 3: Cross multiply
    7,722.89x = 10,665.14 × 6,597.26
  4. Step 4: Simplify right side
    7,722.89x = 70,360,615.20
  5. Step 5: Solve for x
    x = 70,360,615.20/7,722.89
  6. Step 6: Final answer
    x = 9,110.66

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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.