Home / 8,466.40-11,683.12-4,689.34

Finding the Fourth Proportional to 8,466.40, 11,683.12 and 4,689.34

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Solution

The fourth proportional to 8,466.40, 11,683.12 and 4,689.34 is: 6,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.40 : 11,683.12 = 4,689.34 : x
  2. Step 2: Convert to fraction form
    8,466.40/11,683.12 = 4,689.34/x
  3. Step 3: Cross multiply
    8,466.40x = 11,683.12 × 4,689.34
  4. Step 4: Simplify right side
    8,466.40x = 54,786,110.22
  5. Step 5: Solve for x
    x = 54,786,110.22/8,466.40
  6. Step 6: Final answer
    x = 6,471.00

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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.