Home / 7,634.35-11,503.52-6,278.06

Finding the Fourth Proportional to 7,634.35, 11,503.52 and 6,278.06

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Solution

The fourth proportional to 7,634.35, 11,503.52 and 6,278.06 is: 9,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.35 : 11,503.52 = 6,278.06 : x
  2. Step 2: Convert to fraction form
    7,634.35/11,503.52 = 6,278.06/x
  3. Step 3: Cross multiply
    7,634.35x = 11,503.52 × 6,278.06
  4. Step 4: Simplify right side
    7,634.35x = 72,219,788.77
  5. Step 5: Solve for x
    x = 72,219,788.77/7,634.35
  6. Step 6: Final answer
    x = 9,459.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.