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Finding the Fourth Proportional to 9,873.36, 13,617.72 and 6,888.24

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Solution

The fourth proportional to 9,873.36, 13,617.72 and 6,888.24 is: 9,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.36 : 13,617.72 = 6,888.24 : x
  2. Step 2: Convert to fraction form
    9,873.36/13,617.72 = 6,888.24/x
  3. Step 3: Cross multiply
    9,873.36x = 13,617.72 × 6,888.24
  4. Step 4: Simplify right side
    9,873.36x = 93,802,123.61
  5. Step 5: Solve for x
    x = 93,802,123.61/9,873.36
  6. Step 6: Final answer
    x = 9,500.53

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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.