Home / 11,259.90-15,539.60-6,225.10

Finding the Fourth Proportional to 11,259.90, 15,539.60 and 6,225.10

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Solution

The fourth proportional to 11,259.90, 15,539.60 and 6,225.10 is: 8,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.90 : 15,539.60 = 6,225.10 : x
  2. Step 2: Convert to fraction form
    11,259.90/15,539.60 = 6,225.10/x
  3. Step 3: Cross multiply
    11,259.90x = 15,539.60 × 6,225.10
  4. Step 4: Simplify right side
    11,259.90x = 96,735,563.96
  5. Step 5: Solve for x
    x = 96,735,563.96/11,259.90
  6. Step 6: Final answer
    x = 8,591.16

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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.