Home / 10,528.44-14,529.21-5,812.70

Finding the Fourth Proportional to 10,528.44, 14,529.21 and 5,812.70

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Solution

The fourth proportional to 10,528.44, 14,529.21 and 5,812.70 is: 8,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.44 : 14,529.21 = 5,812.70 : x
  2. Step 2: Convert to fraction form
    10,528.44/14,529.21 = 5,812.70/x
  3. Step 3: Cross multiply
    10,528.44x = 14,529.21 × 5,812.70
  4. Step 4: Simplify right side
    10,528.44x = 84,453,866.32
  5. Step 5: Solve for x
    x = 84,453,866.32/10,528.44
  6. Step 6: Final answer
    x = 8,021.50

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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.