Home / 12,180.06-16,808.58-6,803.01

Finding the Fourth Proportional to 12,180.06, 16,808.58 and 6,803.01

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Solution

The fourth proportional to 12,180.06, 16,808.58 and 6,803.01 is: 9,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.06 : 16,808.58 = 6,803.01 : x
  2. Step 2: Convert to fraction form
    12,180.06/16,808.58 = 6,803.01/x
  3. Step 3: Cross multiply
    12,180.06x = 16,808.58 × 6,803.01
  4. Step 4: Simplify right side
    12,180.06x = 114,348,937.83
  5. Step 5: Solve for x
    x = 114,348,937.83/12,180.06
  6. Step 6: Final answer
    x = 9,388.21

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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.