Home / 10,528.22-15,792.39-7,231.31

Finding the Fourth Proportional to 10,528.22, 15,792.39 and 7,231.31

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Solution

The fourth proportional to 10,528.22, 15,792.39 and 7,231.31 is: 10,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.22 : 15,792.39 = 7,231.31 : x
  2. Step 2: Convert to fraction form
    10,528.22/15,792.39 = 7,231.31/x
  3. Step 3: Cross multiply
    10,528.22x = 15,792.39 × 7,231.31
  4. Step 4: Simplify right side
    10,528.22x = 114,199,588.77
  5. Step 5: Solve for x
    x = 114,199,588.77/10,528.22
  6. Step 6: Final answer
    x = 10,847.00

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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.