Home / 10,528.14-14,528.10-5,812.44

Finding the Fourth Proportional to 10,528.14, 14,528.10 and 5,812.44

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Solution

The fourth proportional to 10,528.14, 14,528.10 and 5,812.44 is: 8,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.14 : 14,528.10 = 5,812.44 : x
  2. Step 2: Convert to fraction form
    10,528.14/14,528.10 = 5,812.44/x
  3. Step 3: Cross multiply
    10,528.14x = 14,528.10 × 5,812.44
  4. Step 4: Simplify right side
    10,528.14x = 84,443,709.56
  5. Step 5: Solve for x
    x = 84,443,709.56/10,528.14
  6. Step 6: Final answer
    x = 8,020.76

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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.