Home / 8,433.47-11,638.10-4,656.79

Finding the Fourth Proportional to 8,433.47, 11,638.10 and 4,656.79

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Solution

The fourth proportional to 8,433.47, 11,638.10 and 4,656.79 is: 6,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.47 : 11,638.10 = 4,656.79 : x
  2. Step 2: Convert to fraction form
    8,433.47/11,638.10 = 4,656.79/x
  3. Step 3: Cross multiply
    8,433.47x = 11,638.10 × 4,656.79
  4. Step 4: Simplify right side
    8,433.47x = 54,196,187.69
  5. Step 5: Solve for x
    x = 54,196,187.69/8,433.47
  6. Step 6: Final answer
    x = 6,426.32

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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.