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Finding the Fourth Proportional to 9,361.98, 14,001.93 and 8,148.19

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Solution

The fourth proportional to 9,361.98, 14,001.93 and 8,148.19 is: 12,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.98 : 14,001.93 = 8,148.19 : x
  2. Step 2: Convert to fraction form
    9,361.98/14,001.93 = 8,148.19/x
  3. Step 3: Cross multiply
    9,361.98x = 14,001.93 × 8,148.19
  4. Step 4: Simplify right side
    9,361.98x = 114,090,386.01
  5. Step 5: Solve for x
    x = 114,090,386.01/9,361.98
  6. Step 6: Final answer
    x = 12,186.57

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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.