Home / 7,886.46-11,813.52-6,317.96

Finding the Fourth Proportional to 7,886.46, 11,813.52 and 6,317.96

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Solution

The fourth proportional to 7,886.46, 11,813.52 and 6,317.96 is: 9,463.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.46 : 11,813.52 = 6,317.96 : x
  2. Step 2: Convert to fraction form
    7,886.46/11,813.52 = 6,317.96/x
  3. Step 3: Cross multiply
    7,886.46x = 11,813.52 × 6,317.96
  4. Step 4: Simplify right side
    7,886.46x = 74,637,346.82
  5. Step 5: Solve for x
    x = 74,637,346.82/7,886.46
  6. Step 6: Final answer
    x = 9,463.99

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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.