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Finding the Fourth Proportional to 11,603.12, 16,012.08 and 6,567.16

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Solution

The fourth proportional to 11,603.12, 16,012.08 and 6,567.16 is: 9,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.12 : 16,012.08 = 6,567.16 : x
  2. Step 2: Convert to fraction form
    11,603.12/16,012.08 = 6,567.16/x
  3. Step 3: Cross multiply
    11,603.12x = 16,012.08 × 6,567.16
  4. Step 4: Simplify right side
    11,603.12x = 105,153,891.29
  5. Step 5: Solve for x
    x = 105,153,891.29/11,603.12
  6. Step 6: Final answer
    x = 9,062.55

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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.