Home / 12,533.09-17,295.45-6,867.78

Finding the Fourth Proportional to 12,533.09, 17,295.45 and 6,867.78

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Solution

The fourth proportional to 12,533.09, 17,295.45 and 6,867.78 is: 9,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.09 : 17,295.45 = 6,867.78 : x
  2. Step 2: Convert to fraction form
    12,533.09/17,295.45 = 6,867.78/x
  3. Step 3: Cross multiply
    12,533.09x = 17,295.45 × 6,867.78
  4. Step 4: Simplify right side
    12,533.09x = 118,781,345.60
  5. Step 5: Solve for x
    x = 118,781,345.60/12,533.09
  6. Step 6: Final answer
    x = 9,477.42

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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.