Home / 11,246.08-15,511.04-7,513.60

Finding the Fourth Proportional to 11,246.08, 15,511.04 and 7,513.60

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Solution

The fourth proportional to 11,246.08, 15,511.04 and 7,513.60 is: 10,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.08 : 15,511.04 = 7,513.60 : x
  2. Step 2: Convert to fraction form
    11,246.08/15,511.04 = 7,513.60/x
  3. Step 3: Cross multiply
    11,246.08x = 15,511.04 × 7,513.60
  4. Step 4: Simplify right side
    11,246.08x = 116,543,750.14
  5. Step 5: Solve for x
    x = 116,543,750.14/11,246.08
  6. Step 6: Final answer
    x = 10,363.06

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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.