Home / 12,004.20-16,564.77-7,224.93

Finding the Fourth Proportional to 12,004.20, 16,564.77 and 7,224.93

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Solution

The fourth proportional to 12,004.20, 16,564.77 and 7,224.93 is: 9,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.20 : 16,564.77 = 7,224.93 : x
  2. Step 2: Convert to fraction form
    12,004.20/16,564.77 = 7,224.93/x
  3. Step 3: Cross multiply
    12,004.20x = 16,564.77 × 7,224.93
  4. Step 4: Simplify right side
    12,004.20x = 119,679,303.72
  5. Step 5: Solve for x
    x = 119,679,303.72/12,004.20
  6. Step 6: Final answer
    x = 9,969.79

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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.