Home / 11,829.41-16,332.79-7,355.18

Finding the Fourth Proportional to 11,829.41, 16,332.79 and 7,355.18

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Solution

The fourth proportional to 11,829.41, 16,332.79 and 7,355.18 is: 10,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.41 : 16,332.79 = 7,355.18 : x
  2. Step 2: Convert to fraction form
    11,829.41/16,332.79 = 7,355.18/x
  3. Step 3: Cross multiply
    11,829.41x = 16,332.79 × 7,355.18
  4. Step 4: Simplify right side
    11,829.41x = 120,130,528.69
  5. Step 5: Solve for x
    x = 120,130,528.69/11,829.41
  6. Step 6: Final answer
    x = 10,155.24

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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.