Home / 7,815.07-11,736.44-7,492.17

Finding the Fourth Proportional to 7,815.07, 11,736.44 and 7,492.17

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Solution

The fourth proportional to 7,815.07, 11,736.44 and 7,492.17 is: 11,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.07 : 11,736.44 = 7,492.17 : x
  2. Step 2: Convert to fraction form
    7,815.07/11,736.44 = 7,492.17/x
  3. Step 3: Cross multiply
    7,815.07x = 11,736.44 × 7,492.17
  4. Step 4: Simplify right side
    7,815.07x = 87,931,403.67
  5. Step 5: Solve for x
    x = 87,931,403.67/7,815.07
  6. Step 6: Final answer
    x = 11,251.52

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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.