Home / 9,772.08-13,485.33-5,295.78

Finding the Fourth Proportional to 9,772.08, 13,485.33 and 5,295.78

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Solution

The fourth proportional to 9,772.08, 13,485.33 and 5,295.78 is: 7,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.08 : 13,485.33 = 5,295.78 : x
  2. Step 2: Convert to fraction form
    9,772.08/13,485.33 = 5,295.78/x
  3. Step 3: Cross multiply
    9,772.08x = 13,485.33 × 5,295.78
  4. Step 4: Simplify right side
    9,772.08x = 71,415,340.91
  5. Step 5: Solve for x
    x = 71,415,340.91/9,772.08
  6. Step 6: Final answer
    x = 7,308.10

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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.