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Finding the Fourth Proportional to 8,798.58, 12,157.38 and 6,925.14

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Solution

The fourth proportional to 8,798.58, 12,157.38 and 6,925.14 is: 9,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.58 : 12,157.38 = 6,925.14 : x
  2. Step 2: Convert to fraction form
    8,798.58/12,157.38 = 6,925.14/x
  3. Step 3: Cross multiply
    8,798.58x = 12,157.38 × 6,925.14
  4. Step 4: Simplify right side
    8,798.58x = 84,191,558.53
  5. Step 5: Solve for x
    x = 84,191,558.53/8,798.58
  6. Step 6: Final answer
    x = 9,568.77

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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.