Home / 8,572.02-11,825.64-5,426.25

Finding the Fourth Proportional to 8,572.02, 11,825.64 and 5,426.25

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Solution

The fourth proportional to 8,572.02, 11,825.64 and 5,426.25 is: 7,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.02 : 11,825.64 = 5,426.25 : x
  2. Step 2: Convert to fraction form
    8,572.02/11,825.64 = 5,426.25/x
  3. Step 3: Cross multiply
    8,572.02x = 11,825.64 × 5,426.25
  4. Step 4: Simplify right side
    8,572.02x = 64,168,879.05
  5. Step 5: Solve for x
    x = 64,168,879.05/8,572.02
  6. Step 6: Final answer
    x = 7,485.85

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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.