Home / 8,465.94-11,683.05-4,689.18

Finding the Fourth Proportional to 8,465.94, 11,683.05 and 4,689.18

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Solution

The fourth proportional to 8,465.94, 11,683.05 and 4,689.18 is: 6,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.94 : 11,683.05 = 4,689.18 : x
  2. Step 2: Convert to fraction form
    8,465.94/11,683.05 = 4,689.18/x
  3. Step 3: Cross multiply
    8,465.94x = 11,683.05 × 4,689.18
  4. Step 4: Simplify right side
    8,465.94x = 54,783,924.40
  5. Step 5: Solve for x
    x = 54,783,924.40/8,465.94
  6. Step 6: Final answer
    x = 6,471.10

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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.