Home / 10,116.48-15,176.16-3,189.36

Finding the Fourth Proportional to 10,116.48, 15,176.16 and 3,189.36

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Solution

The fourth proportional to 10,116.48, 15,176.16 and 3,189.36 is: 4,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.48 : 15,176.16 = 3,189.36 : x
  2. Step 2: Convert to fraction form
    10,116.48/15,176.16 = 3,189.36/x
  3. Step 3: Cross multiply
    10,116.48x = 15,176.16 × 3,189.36
  4. Step 4: Simplify right side
    10,116.48x = 48,402,237.66
  5. Step 5: Solve for x
    x = 48,402,237.66/10,116.48
  6. Step 6: Final answer
    x = 4,784.49

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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.