Home / 8,461.46-11,677.30-4,685.39

Finding the Fourth Proportional to 8,461.46, 11,677.30 and 4,685.39

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Solution

The fourth proportional to 8,461.46, 11,677.30 and 4,685.39 is: 6,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.46 : 11,677.30 = 4,685.39 : x
  2. Step 2: Convert to fraction form
    8,461.46/11,677.30 = 4,685.39/x
  3. Step 3: Cross multiply
    8,461.46x = 11,677.30 × 4,685.39
  4. Step 4: Simplify right side
    8,461.46x = 54,712,681.22
  5. Step 5: Solve for x
    x = 54,712,681.22/8,461.46
  6. Step 6: Final answer
    x = 6,466.11

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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.