Home / 9,775.46-13,485.61-6,242.24

Finding the Fourth Proportional to 9,775.46, 13,485.61 and 6,242.24

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Solution

The fourth proportional to 9,775.46, 13,485.61 and 6,242.24 is: 8,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.46 : 13,485.61 = 6,242.24 : x
  2. Step 2: Convert to fraction form
    9,775.46/13,485.61 = 6,242.24/x
  3. Step 3: Cross multiply
    9,775.46x = 13,485.61 × 6,242.24
  4. Step 4: Simplify right side
    9,775.46x = 84,180,414.17
  5. Step 5: Solve for x
    x = 84,180,414.17/9,775.46
  6. Step 6: Final answer
    x = 8,611.40

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Half scale
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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.