Home / 12,260.50-16,919.82-6,955.12

Finding the Fourth Proportional to 12,260.50, 16,919.82 and 6,955.12

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Solution

The fourth proportional to 12,260.50, 16,919.82 and 6,955.12 is: 9,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.50 : 16,919.82 = 6,955.12 : x
  2. Step 2: Convert to fraction form
    12,260.50/16,919.82 = 6,955.12/x
  3. Step 3: Cross multiply
    12,260.50x = 16,919.82 × 6,955.12
  4. Step 4: Simplify right side
    12,260.50x = 117,679,378.48
  5. Step 5: Solve for x
    x = 117,679,378.48/12,260.50
  6. Step 6: Final answer
    x = 9,598.25

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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.