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Finding the Fourth Proportional to 9,368.83, 12,930.80 and 6,015.88

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Solution

The fourth proportional to 9,368.83, 12,930.80 and 6,015.88 is: 8,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.83 : 12,930.80 = 6,015.88 : x
  2. Step 2: Convert to fraction form
    9,368.83/12,930.80 = 6,015.88/x
  3. Step 3: Cross multiply
    9,368.83x = 12,930.80 × 6,015.88
  4. Step 4: Simplify right side
    9,368.83x = 77,790,141.10
  5. Step 5: Solve for x
    x = 77,790,141.10/9,368.83
  6. Step 6: Final answer
    x = 8,303.08

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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.