Home / 11,156.04-15,394.68-6,119.64

Finding the Fourth Proportional to 11,156.04, 15,394.68 and 6,119.64

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Solution

The fourth proportional to 11,156.04, 15,394.68 and 6,119.64 is: 8,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.04 : 15,394.68 = 6,119.64 : x
  2. Step 2: Convert to fraction form
    11,156.04/15,394.68 = 6,119.64/x
  3. Step 3: Cross multiply
    11,156.04x = 15,394.68 × 6,119.64
  4. Step 4: Simplify right side
    11,156.04x = 94,209,899.52
  5. Step 5: Solve for x
    x = 94,209,899.52/11,156.04
  6. Step 6: Final answer
    x = 8,444.74

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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.