Home / 10,586.43-15,889.16-5,660.28

Finding the Fourth Proportional to 10,586.43, 15,889.16 and 5,660.28

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Solution

The fourth proportional to 10,586.43, 15,889.16 and 5,660.28 is: 8,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.43 : 15,889.16 = 5,660.28 : x
  2. Step 2: Convert to fraction form
    10,586.43/15,889.16 = 5,660.28/x
  3. Step 3: Cross multiply
    10,586.43x = 15,889.16 × 5,660.28
  4. Step 4: Simplify right side
    10,586.43x = 89,937,108.72
  5. Step 5: Solve for x
    x = 89,937,108.72/10,586.43
  6. Step 6: Final answer
    x = 8,495.51

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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.