Home / 12,071.08-16,656.10-6,766.12

Finding the Fourth Proportional to 12,071.08, 16,656.10 and 6,766.12

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Solution

The fourth proportional to 12,071.08, 16,656.10 and 6,766.12 is: 9,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.08 : 16,656.10 = 6,766.12 : x
  2. Step 2: Convert to fraction form
    12,071.08/16,656.10 = 6,766.12/x
  3. Step 3: Cross multiply
    12,071.08x = 16,656.10 × 6,766.12
  4. Step 4: Simplify right side
    12,071.08x = 112,697,171.33
  5. Step 5: Solve for x
    x = 112,697,171.33/12,071.08
  6. Step 6: Final answer
    x = 9,336.13

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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.