Home / 10,446.35-14,415.85-5,730.63

Finding the Fourth Proportional to 10,446.35, 14,415.85 and 5,730.63

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Solution

The fourth proportional to 10,446.35, 14,415.85 and 5,730.63 is: 7,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.35 : 14,415.85 = 5,730.63 : x
  2. Step 2: Convert to fraction form
    10,446.35/14,415.85 = 5,730.63/x
  3. Step 3: Cross multiply
    10,446.35x = 14,415.85 × 5,730.63
  4. Step 4: Simplify right side
    10,446.35x = 82,611,920.56
  5. Step 5: Solve for x
    x = 82,611,920.56/10,446.35
  6. Step 6: Final answer
    x = 7,908.21

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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.