Home / 11,261.61-15,541.02-6,157.14

Finding the Fourth Proportional to 11,261.61, 15,541.02 and 6,157.14

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Solution

The fourth proportional to 11,261.61, 15,541.02 and 6,157.14 is: 8,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.61 : 15,541.02 = 6,157.14 : x
  2. Step 2: Convert to fraction form
    11,261.61/15,541.02 = 6,157.14/x
  3. Step 3: Cross multiply
    11,261.61x = 15,541.02 × 6,157.14
  4. Step 4: Simplify right side
    11,261.61x = 95,688,235.88
  5. Step 5: Solve for x
    x = 95,688,235.88/11,261.61
  6. Step 6: Final answer
    x = 8,496.85

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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.