Home / 7,116.48-10,674.72-3,416.40

Finding the Fourth Proportional to 7,116.48, 10,674.72 and 3,416.40

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Solution

The fourth proportional to 7,116.48, 10,674.72 and 3,416.40 is: 5,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.48 : 10,674.72 = 3,416.40 : x
  2. Step 2: Convert to fraction form
    7,116.48/10,674.72 = 3,416.40/x
  3. Step 3: Cross multiply
    7,116.48x = 10,674.72 × 3,416.40
  4. Step 4: Simplify right side
    7,116.48x = 36,469,113.41
  5. Step 5: Solve for x
    x = 36,469,113.41/7,116.48
  6. Step 6: Final answer
    x = 5,124.60

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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.