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Finding the Fourth Proportional to 9,174.01, 12,666.03 and 6,307.51

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Solution

The fourth proportional to 9,174.01, 12,666.03 and 6,307.51 is: 8,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.01 : 12,666.03 = 6,307.51 : x
  2. Step 2: Convert to fraction form
    9,174.01/12,666.03 = 6,307.51/x
  3. Step 3: Cross multiply
    9,174.01x = 12,666.03 × 6,307.51
  4. Step 4: Simplify right side
    9,174.01x = 79,891,110.89
  5. Step 5: Solve for x
    x = 79,891,110.89/9,174.01
  6. Step 6: Final answer
    x = 8,708.42

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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.