Home / 10,629.70-14,669.69-5,913.99

Finding the Fourth Proportional to 10,629.70, 14,669.69 and 5,913.99

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Solution

The fourth proportional to 10,629.70, 14,669.69 and 5,913.99 is: 8,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.70 : 14,669.69 = 5,913.99 : x
  2. Step 2: Convert to fraction form
    10,629.70/14,669.69 = 5,913.99/x
  3. Step 3: Cross multiply
    10,629.70x = 14,669.69 × 5,913.99
  4. Step 4: Simplify right side
    10,629.70x = 86,756,370.39
  5. Step 5: Solve for x
    x = 86,756,370.39/10,629.70
  6. Step 6: Final answer
    x = 8,161.70

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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.