Home / 10,935.59-15,090.98-6,219.86

Finding the Fourth Proportional to 10,935.59, 15,090.98 and 6,219.86

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Solution

The fourth proportional to 10,935.59, 15,090.98 and 6,219.86 is: 8,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.59 : 15,090.98 = 6,219.86 : x
  2. Step 2: Convert to fraction form
    10,935.59/15,090.98 = 6,219.86/x
  3. Step 3: Cross multiply
    10,935.59x = 15,090.98 × 6,219.86
  4. Step 4: Simplify right side
    10,935.59x = 93,863,676.31
  5. Step 5: Solve for x
    x = 93,863,676.31/10,935.59
  6. Step 6: Final answer
    x = 8,583.32

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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.