Home / 11,541.42-15,927-6,506.10

Finding the Fourth Proportional to 11,541.42, 15,927 and 6,506.10

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Solution

The fourth proportional to 11,541.42, 15,927 and 6,506.10 is: 8,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.42 : 15,927 = 6,506.10 : x
  2. Step 2: Convert to fraction form
    11,541.42/15,927 = 6,506.10/x
  3. Step 3: Cross multiply
    11,541.42x = 15,927 × 6,506.10
  4. Step 4: Simplify right side
    11,541.42x = 103,622,654.70
  5. Step 5: Solve for x
    x = 103,622,654.70/11,541.42
  6. Step 6: Final answer
    x = 8,978.33

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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.