Home / 10,012.17-13,819.69-6,611.67

Finding the Fourth Proportional to 10,012.17, 13,819.69 and 6,611.67

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Solution

The fourth proportional to 10,012.17, 13,819.69 and 6,611.67 is: 9,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.17 : 13,819.69 = 6,611.67 : x
  2. Step 2: Convert to fraction form
    10,012.17/13,819.69 = 6,611.67/x
  3. Step 3: Cross multiply
    10,012.17x = 13,819.69 × 6,611.67
  4. Step 4: Simplify right side
    10,012.17x = 91,371,238.05
  5. Step 5: Solve for x
    x = 91,371,238.05/10,012.17
  6. Step 6: Final answer
    x = 9,126.01

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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.