Home / 7,712.08-11,561.36-3,707.46

Finding the Fourth Proportional to 7,712.08, 11,561.36 and 3,707.46

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Solution

The fourth proportional to 7,712.08, 11,561.36 and 3,707.46 is: 5,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.08 : 11,561.36 = 3,707.46 : x
  2. Step 2: Convert to fraction form
    7,712.08/11,561.36 = 3,707.46/x
  3. Step 3: Cross multiply
    7,712.08x = 11,561.36 × 3,707.46
  4. Step 4: Simplify right side
    7,712.08x = 42,863,289.01
  5. Step 5: Solve for x
    x = 42,863,289.01/7,712.08
  6. Step 6: Final answer
    x = 5,557.94

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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.