Home / 8,461.48-11,677.28-4,685.06

Finding the Fourth Proportional to 8,461.48, 11,677.28 and 4,685.06

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Solution

The fourth proportional to 8,461.48, 11,677.28 and 4,685.06 is: 6,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.48 : 11,677.28 = 4,685.06 : x
  2. Step 2: Convert to fraction form
    8,461.48/11,677.28 = 4,685.06/x
  3. Step 3: Cross multiply
    8,461.48x = 11,677.28 × 4,685.06
  4. Step 4: Simplify right side
    8,461.48x = 54,708,787.87
  5. Step 5: Solve for x
    x = 54,708,787.87/8,461.48
  6. Step 6: Final answer
    x = 6,465.63

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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.