Home / 8,476.29-11,697.30-4,699.49

Finding the Fourth Proportional to 8,476.29, 11,697.30 and 4,699.49

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Solution

The fourth proportional to 8,476.29, 11,697.30 and 4,699.49 is: 6,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.29 : 11,697.30 = 4,699.49 : x
  2. Step 2: Convert to fraction form
    8,476.29/11,697.30 = 4,699.49/x
  3. Step 3: Cross multiply
    8,476.29x = 11,697.30 × 4,699.49
  4. Step 4: Simplify right side
    8,476.29x = 54,971,285.89
  5. Step 5: Solve for x
    x = 54,971,285.89/8,476.29
  6. Step 6: Final answer
    x = 6,485.30

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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.