Home / 11,643.62-16,068.54-6,607.74

Finding the Fourth Proportional to 11,643.62, 16,068.54 and 6,607.74

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Solution

The fourth proportional to 11,643.62, 16,068.54 and 6,607.74 is: 9,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.62 : 16,068.54 = 6,607.74 : x
  2. Step 2: Convert to fraction form
    11,643.62/16,068.54 = 6,607.74/x
  3. Step 3: Cross multiply
    11,643.62x = 16,068.54 × 6,607.74
  4. Step 4: Simplify right side
    11,643.62x = 106,176,734.50
  5. Step 5: Solve for x
    x = 106,176,734.50/11,643.62
  6. Step 6: Final answer
    x = 9,118.88

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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.