Home / 12,070.65-16,657.11-6,765.75

Finding the Fourth Proportional to 12,070.65, 16,657.11 and 6,765.75

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Solution

The fourth proportional to 12,070.65, 16,657.11 and 6,765.75 is: 9,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.65 : 16,657.11 = 6,765.75 : x
  2. Step 2: Convert to fraction form
    12,070.65/16,657.11 = 6,765.75/x
  3. Step 3: Cross multiply
    12,070.65x = 16,657.11 × 6,765.75
  4. Step 4: Simplify right side
    12,070.65x = 112,697,841.98
  5. Step 5: Solve for x
    x = 112,697,841.98/12,070.65
  6. Step 6: Final answer
    x = 9,336.52

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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.