Home / 11,023.61-15,211.73-6,242.99

Finding the Fourth Proportional to 11,023.61, 15,211.73 and 6,242.99

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Solution

The fourth proportional to 11,023.61, 15,211.73 and 6,242.99 is: 8,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.61 : 15,211.73 = 6,242.99 : x
  2. Step 2: Convert to fraction form
    11,023.61/15,211.73 = 6,242.99/x
  3. Step 3: Cross multiply
    11,023.61x = 15,211.73 × 6,242.99
  4. Step 4: Simplify right side
    11,023.61x = 94,966,617.82
  5. Step 5: Solve for x
    x = 94,966,617.82/11,023.61
  6. Step 6: Final answer
    x = 8,614.84

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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.