Home / 7,110.05-9,824.90-6,768.63

Finding the Fourth Proportional to 7,110.05, 9,824.90 and 6,768.63

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Solution

The fourth proportional to 7,110.05, 9,824.90 and 6,768.63 is: 9,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.05 : 9,824.90 = 6,768.63 : x
  2. Step 2: Convert to fraction form
    7,110.05/9,824.90 = 6,768.63/x
  3. Step 3: Cross multiply
    7,110.05x = 9,824.90 × 6,768.63
  4. Step 4: Simplify right side
    7,110.05x = 66,501,079.04
  5. Step 5: Solve for x
    x = 66,501,079.04/7,110.05
  6. Step 6: Final answer
    x = 9,353.12

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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.