Home / 10,578.60-14,581.53-8,336.76

Finding the Fourth Proportional to 10,578.60, 14,581.53 and 8,336.76

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Solution

The fourth proportional to 10,578.60, 14,581.53 and 8,336.76 is: 11,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.60 : 14,581.53 = 8,336.76 : x
  2. Step 2: Convert to fraction form
    10,578.60/14,581.53 = 8,336.76/x
  3. Step 3: Cross multiply
    10,578.60x = 14,581.53 × 8,336.76
  4. Step 4: Simplify right side
    10,578.60x = 121,562,716.04
  5. Step 5: Solve for x
    x = 121,562,716.04/10,578.60
  6. Step 6: Final answer
    x = 11,491.38

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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.