Home / 12,669.95-17,483.78-7,004.36

Finding the Fourth Proportional to 12,669.95, 17,483.78 and 7,004.36

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Solution

The fourth proportional to 12,669.95, 17,483.78 and 7,004.36 is: 9,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.95 : 17,483.78 = 7,004.36 : x
  2. Step 2: Convert to fraction form
    12,669.95/17,483.78 = 7,004.36/x
  3. Step 3: Cross multiply
    12,669.95x = 17,483.78 × 7,004.36
  4. Step 4: Simplify right side
    12,669.95x = 122,462,698.85
  5. Step 5: Solve for x
    x = 122,462,698.85/12,669.95
  6. Step 6: Final answer
    x = 9,665.60

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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.