Home / 9,816.18-14,724.99-4,880.76

Finding the Fourth Proportional to 9,816.18, 14,724.99 and 4,880.76

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Solution

The fourth proportional to 9,816.18, 14,724.99 and 4,880.76 is: 7,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.18 : 14,724.99 = 4,880.76 : x
  2. Step 2: Convert to fraction form
    9,816.18/14,724.99 = 4,880.76/x
  3. Step 3: Cross multiply
    9,816.18x = 14,724.99 × 4,880.76
  4. Step 4: Simplify right side
    9,816.18x = 71,869,142.19
  5. Step 5: Solve for x
    x = 71,869,142.19/9,816.18
  6. Step 6: Final answer
    x = 7,321.50

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Double scale
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Similar ratio
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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.