Home / 7,192.80-9,926.74-4,208.45

Finding the Fourth Proportional to 7,192.80, 9,926.74 and 4,208.45

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Solution

The fourth proportional to 7,192.80, 9,926.74 and 4,208.45 is: 5,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 9,926.74 = 4,208.45 : x
  2. Step 2: Convert to fraction form
    7,192.80/9,926.74 = 4,208.45/x
  3. Step 3: Cross multiply
    7,192.80x = 9,926.74 × 4,208.45
  4. Step 4: Simplify right side
    7,192.80x = 41,776,188.95
  5. Step 5: Solve for x
    x = 41,776,188.95/7,192.80
  6. Step 6: Final answer
    x = 5,808.06

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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.