Home / 11,368.48-15,689.29-6,892.42

Finding the Fourth Proportional to 11,368.48, 15,689.29 and 6,892.42

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Solution

The fourth proportional to 11,368.48, 15,689.29 and 6,892.42 is: 9,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.48 : 15,689.29 = 6,892.42 : x
  2. Step 2: Convert to fraction form
    11,368.48/15,689.29 = 6,892.42/x
  3. Step 3: Cross multiply
    11,368.48x = 15,689.29 × 6,892.42
  4. Step 4: Simplify right side
    11,368.48x = 108,137,176.18
  5. Step 5: Solve for x
    x = 108,137,176.18/11,368.48
  6. Step 6: Final answer
    x = 9,512.02

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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.