Home / 12,068.03-16,653.90-6,690.55

Finding the Fourth Proportional to 12,068.03, 16,653.90 and 6,690.55

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Solution

The fourth proportional to 12,068.03, 16,653.90 and 6,690.55 is: 9,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.03 : 16,653.90 = 6,690.55 : x
  2. Step 2: Convert to fraction form
    12,068.03/16,653.90 = 6,690.55/x
  3. Step 3: Cross multiply
    12,068.03x = 16,653.90 × 6,690.55
  4. Step 4: Simplify right side
    12,068.03x = 111,423,750.65
  5. Step 5: Solve for x
    x = 111,423,750.65/12,068.03
  6. Step 6: Final answer
    x = 9,232.97

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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.