Home / 7,445.34-11,150.36-6,466.20

Finding the Fourth Proportional to 7,445.34, 11,150.36 and 6,466.20

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Solution

The fourth proportional to 7,445.34, 11,150.36 and 6,466.20 is: 9,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.34 : 11,150.36 = 6,466.20 : x
  2. Step 2: Convert to fraction form
    7,445.34/11,150.36 = 6,466.20/x
  3. Step 3: Cross multiply
    7,445.34x = 11,150.36 × 6,466.20
  4. Step 4: Simplify right side
    7,445.34x = 72,100,457.83
  5. Step 5: Solve for x
    x = 72,100,457.83/7,445.34
  6. Step 6: Final answer
    x = 9,683.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.