Home / 10,347.74-15,512.79-4,106.30

Finding the Fourth Proportional to 10,347.74, 15,512.79 and 4,106.30

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Solution

The fourth proportional to 10,347.74, 15,512.79 and 4,106.30 is: 6,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.74 : 15,512.79 = 4,106.30 : x
  2. Step 2: Convert to fraction form
    10,347.74/15,512.79 = 4,106.30/x
  3. Step 3: Cross multiply
    10,347.74x = 15,512.79 × 4,106.30
  4. Step 4: Simplify right side
    10,347.74x = 63,700,169.58
  5. Step 5: Solve for x
    x = 63,700,169.58/10,347.74
  6. Step 6: Final answer
    x = 6,155.95

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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.