Home / 12,440.80-18,655.66-6,596.08

Finding the Fourth Proportional to 12,440.80, 18,655.66 and 6,596.08

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Solution

The fourth proportional to 12,440.80, 18,655.66 and 6,596.08 is: 9,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.80 : 18,655.66 = 6,596.08 : x
  2. Step 2: Convert to fraction form
    12,440.80/18,655.66 = 6,596.08/x
  3. Step 3: Cross multiply
    12,440.80x = 18,655.66 × 6,596.08
  4. Step 4: Simplify right side
    12,440.80x = 123,054,225.81
  5. Step 5: Solve for x
    x = 123,054,225.81/12,440.80
  6. Step 6: Final answer
    x = 9,891.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.