Home / 7,967.19-11,005.97-6,384.35

Finding the Fourth Proportional to 7,967.19, 11,005.97 and 6,384.35

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Solution

The fourth proportional to 7,967.19, 11,005.97 and 6,384.35 is: 8,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.19 : 11,005.97 = 6,384.35 : x
  2. Step 2: Convert to fraction form
    7,967.19/11,005.97 = 6,384.35/x
  3. Step 3: Cross multiply
    7,967.19x = 11,005.97 × 6,384.35
  4. Step 4: Simplify right side
    7,967.19x = 70,265,960.16
  5. Step 5: Solve for x
    x = 70,265,960.16/7,967.19
  6. Step 6: Final answer
    x = 8,819.42

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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.