Home / 7,474.50-11,210.36-2,208.35

Finding the Fourth Proportional to 7,474.50, 11,210.36 and 2,208.35

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Solution

The fourth proportional to 7,474.50, 11,210.36 and 2,208.35 is: 3,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.50 : 11,210.36 = 2,208.35 : x
  2. Step 2: Convert to fraction form
    7,474.50/11,210.36 = 2,208.35/x
  3. Step 3: Cross multiply
    7,474.50x = 11,210.36 × 2,208.35
  4. Step 4: Simplify right side
    7,474.50x = 24,756,331.41
  5. Step 5: Solve for x
    x = 24,756,331.41/7,474.50
  6. Step 6: Final answer
    x = 3,312.11

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Half scale
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Double scale
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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.