Home / 6,111.17-9,176.70-5,656.40

Finding the Fourth Proportional to 6,111.17, 9,176.70 and 5,656.40

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Solution

The fourth proportional to 6,111.17, 9,176.70 and 5,656.40 is: 8,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.17 : 9,176.70 = 5,656.40 : x
  2. Step 2: Convert to fraction form
    6,111.17/9,176.70 = 5,656.40/x
  3. Step 3: Cross multiply
    6,111.17x = 9,176.70 × 5,656.40
  4. Step 4: Simplify right side
    6,111.17x = 51,907,085.88
  5. Step 5: Solve for x
    x = 51,907,085.88/6,111.17
  6. Step 6: Final answer
    x = 8,493.80

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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.