Home / 10,446.21-15,664.69-4,895.07

Finding the Fourth Proportional to 10,446.21, 15,664.69 and 4,895.07

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Solution

The fourth proportional to 10,446.21, 15,664.69 and 4,895.07 is: 7,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.21 : 15,664.69 = 4,895.07 : x
  2. Step 2: Convert to fraction form
    10,446.21/15,664.69 = 4,895.07/x
  3. Step 3: Cross multiply
    10,446.21x = 15,664.69 × 4,895.07
  4. Step 4: Simplify right side
    10,446.21x = 76,679,754.08
  5. Step 5: Solve for x
    x = 76,679,754.08/10,446.21
  6. Step 6: Final answer
    x = 7,340.44

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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.