Home / 7,715.36-11,566.54-3,032.76

Finding the Fourth Proportional to 7,715.36, 11,566.54 and 3,032.76

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Solution

The fourth proportional to 7,715.36, 11,566.54 and 3,032.76 is: 4,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.36 : 11,566.54 = 3,032.76 : x
  2. Step 2: Convert to fraction form
    7,715.36/11,566.54 = 3,032.76/x
  3. Step 3: Cross multiply
    7,715.36x = 11,566.54 × 3,032.76
  4. Step 4: Simplify right side
    7,715.36x = 35,078,539.85
  5. Step 5: Solve for x
    x = 35,078,539.85/7,715.36
  6. Step 6: Final answer
    x = 4,546.58

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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.