Home / 10,992.04-15,165.16-6,211.36

Finding the Fourth Proportional to 10,992.04, 15,165.16 and 6,211.36

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Solution

The fourth proportional to 10,992.04, 15,165.16 and 6,211.36 is: 8,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.04 : 15,165.16 = 6,211.36 : x
  2. Step 2: Convert to fraction form
    10,992.04/15,165.16 = 6,211.36/x
  3. Step 3: Cross multiply
    10,992.04x = 15,165.16 × 6,211.36
  4. Step 4: Simplify right side
    10,992.04x = 94,196,268.22
  5. Step 5: Solve for x
    x = 94,196,268.22/10,992.04
  6. Step 6: Final answer
    x = 8,569.50

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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.