Home / 10,628.48-15,936.48-4,055.12

Finding the Fourth Proportional to 10,628.48, 15,936.48 and 4,055.12

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Solution

The fourth proportional to 10,628.48, 15,936.48 and 4,055.12 is: 6,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.48 : 15,936.48 = 4,055.12 : x
  2. Step 2: Convert to fraction form
    10,628.48/15,936.48 = 4,055.12/x
  3. Step 3: Cross multiply
    10,628.48x = 15,936.48 × 4,055.12
  4. Step 4: Simplify right side
    10,628.48x = 64,624,338.78
  5. Step 5: Solve for x
    x = 64,624,338.78/10,628.48
  6. Step 6: Final answer
    x = 6,080.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.