Home / 11,455.25-15,808.43-6,675.08

Finding the Fourth Proportional to 11,455.25, 15,808.43 and 6,675.08

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Solution

The fourth proportional to 11,455.25, 15,808.43 and 6,675.08 is: 9,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.25 : 15,808.43 = 6,675.08 : x
  2. Step 2: Convert to fraction form
    11,455.25/15,808.43 = 6,675.08/x
  3. Step 3: Cross multiply
    11,455.25x = 15,808.43 × 6,675.08
  4. Step 4: Simplify right side
    11,455.25x = 105,522,506.82
  5. Step 5: Solve for x
    x = 105,522,506.82/11,455.25
  6. Step 6: Final answer
    x = 9,211.72

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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.