Home / 12,005.04-16,566.56-6,700.74

Finding the Fourth Proportional to 12,005.04, 16,566.56 and 6,700.74

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Solution

The fourth proportional to 12,005.04, 16,566.56 and 6,700.74 is: 9,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.04 : 16,566.56 = 6,700.74 : x
  2. Step 2: Convert to fraction form
    12,005.04/16,566.56 = 6,700.74/x
  3. Step 3: Cross multiply
    12,005.04x = 16,566.56 × 6,700.74
  4. Step 4: Simplify right side
    12,005.04x = 111,008,211.25
  5. Step 5: Solve for x
    x = 111,008,211.25/12,005.04
  6. Step 6: Final answer
    x = 9,246.80

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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.