Home / 34,416.60-51,618.75-9,116.30

Finding the Fourth Proportional to 34,416.60, 51,618.75 and 9,116.30

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Solution

The fourth proportional to 34,416.60, 51,618.75 and 9,116.30 is: 13,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,416.60 : 51,618.75 = 9,116.30 : x
  2. Step 2: Convert to fraction form
    34,416.60/51,618.75 = 9,116.30/x
  3. Step 3: Cross multiply
    34,416.60x = 51,618.75 × 9,116.30
  4. Step 4: Simplify right side
    34,416.60x = 470,571,752.53
  5. Step 5: Solve for x
    x = 470,571,752.53/34,416.60
  6. Step 6: Final answer
    x = 13,672.81

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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.