Home / 11,847.48-16,346.58-7,247.16

Finding the Fourth Proportional to 11,847.48, 16,346.58 and 7,247.16

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Solution

The fourth proportional to 11,847.48, 16,346.58 and 7,247.16 is: 9,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.48 : 16,346.58 = 7,247.16 : x
  2. Step 2: Convert to fraction form
    11,847.48/16,346.58 = 7,247.16/x
  3. Step 3: Cross multiply
    11,847.48x = 16,346.58 × 7,247.16
  4. Step 4: Simplify right side
    11,847.48x = 118,466,280.71
  5. Step 5: Solve for x
    x = 118,466,280.71/11,847.48
  6. Step 6: Final answer
    x = 9,999.28

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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.