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Finding the Fourth Proportional to 9,891.58, 14,827.12 and 6,185.30

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Solution

The fourth proportional to 9,891.58, 14,827.12 and 6,185.30 is: 9,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.58 : 14,827.12 = 6,185.30 : x
  2. Step 2: Convert to fraction form
    9,891.58/14,827.12 = 6,185.30/x
  3. Step 3: Cross multiply
    9,891.58x = 14,827.12 × 6,185.30
  4. Step 4: Simplify right side
    9,891.58x = 91,710,179.14
  5. Step 5: Solve for x
    x = 91,710,179.14/9,891.58
  6. Step 6: Final answer
    x = 9,271.54

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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.