Home / 8,477.52-11,699.54-4,700.85

Finding the Fourth Proportional to 8,477.52, 11,699.54 and 4,700.85

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Solution

The fourth proportional to 8,477.52, 11,699.54 and 4,700.85 is: 6,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.52 : 11,699.54 = 4,700.85 : x
  2. Step 2: Convert to fraction form
    8,477.52/11,699.54 = 4,700.85/x
  3. Step 3: Cross multiply
    8,477.52x = 11,699.54 × 4,700.85
  4. Step 4: Simplify right side
    8,477.52x = 54,997,759.10
  5. Step 5: Solve for x
    x = 54,997,759.10/8,477.52
  6. Step 6: Final answer
    x = 6,487.48

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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.