Home / 7,317.72-10,099.98-6,727.32

Finding the Fourth Proportional to 7,317.72, 10,099.98 and 6,727.32

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Solution

The fourth proportional to 7,317.72, 10,099.98 and 6,727.32 is: 9,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.72 : 10,099.98 = 6,727.32 : x
  2. Step 2: Convert to fraction form
    7,317.72/10,099.98 = 6,727.32/x
  3. Step 3: Cross multiply
    7,317.72x = 10,099.98 × 6,727.32
  4. Step 4: Simplify right side
    7,317.72x = 67,945,797.45
  5. Step 5: Solve for x
    x = 67,945,797.45/7,317.72
  6. Step 6: Final answer
    x = 9,285.10

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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.