Home / 11,617.90-16,032.26-6,312.60

Finding the Fourth Proportional to 11,617.90, 16,032.26 and 6,312.60

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Solution

The fourth proportional to 11,617.90, 16,032.26 and 6,312.60 is: 8,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.90 : 16,032.26 = 6,312.60 : x
  2. Step 2: Convert to fraction form
    11,617.90/16,032.26 = 6,312.60/x
  3. Step 3: Cross multiply
    11,617.90x = 16,032.26 × 6,312.60
  4. Step 4: Simplify right side
    11,617.90x = 101,205,260.26
  5. Step 5: Solve for x
    x = 101,205,260.26/11,617.90
  6. Step 6: Final answer
    x = 8,711.15

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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.