Home / 10,812.12-14,919.55-6,334.98

Finding the Fourth Proportional to 10,812.12, 14,919.55 and 6,334.98

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Solution

The fourth proportional to 10,812.12, 14,919.55 and 6,334.98 is: 8,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.12 : 14,919.55 = 6,334.98 : x
  2. Step 2: Convert to fraction form
    10,812.12/14,919.55 = 6,334.98/x
  3. Step 3: Cross multiply
    10,812.12x = 14,919.55 × 6,334.98
  4. Step 4: Simplify right side
    10,812.12x = 94,515,050.86
  5. Step 5: Solve for x
    x = 94,515,050.86/10,812.12
  6. Step 6: Final answer
    x = 8,741.58

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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.