Home / 10,586.88-15,866.47-4,339.58

Finding the Fourth Proportional to 10,586.88, 15,866.47 and 4,339.58

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Solution

The fourth proportional to 10,586.88, 15,866.47 and 4,339.58 is: 6,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.88 : 15,866.47 = 4,339.58 : x
  2. Step 2: Convert to fraction form
    10,586.88/15,866.47 = 4,339.58/x
  3. Step 3: Cross multiply
    10,586.88x = 15,866.47 × 4,339.58
  4. Step 4: Simplify right side
    10,586.88x = 68,853,725.70
  5. Step 5: Solve for x
    x = 68,853,725.70/10,586.88
  6. Step 6: Final answer
    x = 6,503.68

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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.