Home / 10,629.36-14,669.16-5,913.60

Finding the Fourth Proportional to 10,629.36, 14,669.16 and 5,913.60

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Solution

The fourth proportional to 10,629.36, 14,669.16 and 5,913.60 is: 8,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.36 : 14,669.16 = 5,913.60 : x
  2. Step 2: Convert to fraction form
    10,629.36/14,669.16 = 5,913.60/x
  3. Step 3: Cross multiply
    10,629.36x = 14,669.16 × 5,913.60
  4. Step 4: Simplify right side
    10,629.36x = 86,747,544.58
  5. Step 5: Solve for x
    x = 86,747,544.58/10,629.36
  6. Step 6: Final answer
    x = 8,161.13

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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.