Home / 6,875.37-9,478.77-5,463.75

Finding the Fourth Proportional to 6,875.37, 9,478.77 and 5,463.75

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Solution

The fourth proportional to 6,875.37, 9,478.77 and 5,463.75 is: 7,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.37 : 9,478.77 = 5,463.75 : x
  2. Step 2: Convert to fraction form
    6,875.37/9,478.77 = 5,463.75/x
  3. Step 3: Cross multiply
    6,875.37x = 9,478.77 × 5,463.75
  4. Step 4: Simplify right side
    6,875.37x = 51,789,629.59
  5. Step 5: Solve for x
    x = 51,789,629.59/6,875.37
  6. Step 6: Final answer
    x = 7,532.63

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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.