Home / 10,661.36-14,712.95-5,945.94

Finding the Fourth Proportional to 10,661.36, 14,712.95 and 5,945.94

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Solution

The fourth proportional to 10,661.36, 14,712.95 and 5,945.94 is: 8,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.36 : 14,712.95 = 5,945.94 : x
  2. Step 2: Convert to fraction form
    10,661.36/14,712.95 = 5,945.94/x
  3. Step 3: Cross multiply
    10,661.36x = 14,712.95 × 5,945.94
  4. Step 4: Simplify right side
    10,661.36x = 87,482,332.79
  5. Step 5: Solve for x
    x = 87,482,332.79/10,661.36
  6. Step 6: Final answer
    x = 8,205.55

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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.