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Finding the Fourth Proportional to 9,014.15, 12,437.39 and 5,477.15

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Solution

The fourth proportional to 9,014.15, 12,437.39 and 5,477.15 is: 7,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.15 : 12,437.39 = 5,477.15 : x
  2. Step 2: Convert to fraction form
    9,014.15/12,437.39 = 5,477.15/x
  3. Step 3: Cross multiply
    9,014.15x = 12,437.39 × 5,477.15
  4. Step 4: Simplify right side
    9,014.15x = 68,121,361.07
  5. Step 5: Solve for x
    x = 68,121,361.07/9,014.15
  6. Step 6: Final answer
    x = 7,557.16

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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.