Home / 7,557.12-11,341.76-3,860.34

Finding the Fourth Proportional to 7,557.12, 11,341.76 and 3,860.34

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Solution

The fourth proportional to 7,557.12, 11,341.76 and 3,860.34 is: 5,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.12 : 11,341.76 = 3,860.34 : x
  2. Step 2: Convert to fraction form
    7,557.12/11,341.76 = 3,860.34/x
  3. Step 3: Cross multiply
    7,557.12x = 11,341.76 × 3,860.34
  4. Step 4: Simplify right side
    7,557.12x = 43,783,030.50
  5. Step 5: Solve for x
    x = 43,783,030.50/7,557.12
  6. Step 6: Final answer
    x = 5,793.61

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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.