Home / 11,368.23-15,689.90-6,892.71

Finding the Fourth Proportional to 11,368.23, 15,689.90 and 6,892.71

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Solution

The fourth proportional to 11,368.23, 15,689.90 and 6,892.71 is: 9,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.23 : 15,689.90 = 6,892.71 : x
  2. Step 2: Convert to fraction form
    11,368.23/15,689.90 = 6,892.71/x
  3. Step 3: Cross multiply
    11,368.23x = 15,689.90 × 6,892.71
  4. Step 4: Simplify right side
    11,368.23x = 108,145,930.63
  5. Step 5: Solve for x
    x = 108,145,930.63/11,368.23
  6. Step 6: Final answer
    x = 9,513.00

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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.