Home / 10,528.56-14,529.60-5,812.56

Finding the Fourth Proportional to 10,528.56, 14,529.60 and 5,812.56

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Solution

The fourth proportional to 10,528.56, 14,529.60 and 5,812.56 is: 8,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.56 : 14,529.60 = 5,812.56 : x
  2. Step 2: Convert to fraction form
    10,528.56/14,529.60 = 5,812.56/x
  3. Step 3: Cross multiply
    10,528.56x = 14,529.60 × 5,812.56
  4. Step 4: Simplify right side
    10,528.56x = 84,454,171.78
  5. Step 5: Solve for x
    x = 84,454,171.78/10,528.56
  6. Step 6: Final answer
    x = 8,021.44

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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.