Home / 10,631.46-14,671.74-6,154.80

Finding the Fourth Proportional to 10,631.46, 14,671.74 and 6,154.80

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Solution

The fourth proportional to 10,631.46, 14,671.74 and 6,154.80 is: 8,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.46 : 14,671.74 = 6,154.80 : x
  2. Step 2: Convert to fraction form
    10,631.46/14,671.74 = 6,154.80/x
  3. Step 3: Cross multiply
    10,631.46x = 14,671.74 × 6,154.80
  4. Step 4: Simplify right side
    10,631.46x = 90,301,625.35
  5. Step 5: Solve for x
    x = 90,301,625.35/10,631.46
  6. Step 6: Final answer
    x = 8,493.81

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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.