Home / 8,465.50-11,682.26-4,688.64

Finding the Fourth Proportional to 8,465.50, 11,682.26 and 4,688.64

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Solution

The fourth proportional to 8,465.50, 11,682.26 and 4,688.64 is: 6,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.50 : 11,682.26 = 4,688.64 : x
  2. Step 2: Convert to fraction form
    8,465.50/11,682.26 = 4,688.64/x
  3. Step 3: Cross multiply
    8,465.50x = 11,682.26 × 4,688.64
  4. Step 4: Simplify right side
    8,465.50x = 54,773,911.53
  5. Step 5: Solve for x
    x = 54,773,911.53/8,465.50
  6. Step 6: Final answer
    x = 6,470.25

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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.