Home / 8,465.88-11,683.56-4,689.36

Finding the Fourth Proportional to 8,465.88, 11,683.56 and 4,689.36

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Solution

The fourth proportional to 8,465.88, 11,683.56 and 4,689.36 is: 6,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.88 : 11,683.56 = 4,689.36 : x
  2. Step 2: Convert to fraction form
    8,465.88/11,683.56 = 4,689.36/x
  3. Step 3: Cross multiply
    8,465.88x = 11,683.56 × 4,689.36
  4. Step 4: Simplify right side
    8,465.88x = 54,788,418.92
  5. Step 5: Solve for x
    x = 54,788,418.92/8,465.88
  6. Step 6: Final answer
    x = 6,471.67

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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.