Home / 11,980.57-16,533.15-6,675.34

Finding the Fourth Proportional to 11,980.57, 16,533.15 and 6,675.34

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Solution

The fourth proportional to 11,980.57, 16,533.15 and 6,675.34 is: 9,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.57 : 16,533.15 = 6,675.34 : x
  2. Step 2: Convert to fraction form
    11,980.57/16,533.15 = 6,675.34/x
  3. Step 3: Cross multiply
    11,980.57x = 16,533.15 × 6,675.34
  4. Step 4: Simplify right side
    11,980.57x = 110,364,397.52
  5. Step 5: Solve for x
    x = 110,364,397.52/11,980.57
  6. Step 6: Final answer
    x = 9,211.95

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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.