Home / 11,561.48-15,954.85-6,256.30

Finding the Fourth Proportional to 11,561.48, 15,954.85 and 6,256.30

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Solution

The fourth proportional to 11,561.48, 15,954.85 and 6,256.30 is: 8,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.48 : 15,954.85 = 6,256.30 : x
  2. Step 2: Convert to fraction form
    11,561.48/15,954.85 = 6,256.30/x
  3. Step 3: Cross multiply
    11,561.48x = 15,954.85 × 6,256.30
  4. Step 4: Simplify right side
    11,561.48x = 99,818,330.74
  5. Step 5: Solve for x
    x = 99,818,330.74/11,561.48
  6. Step 6: Final answer
    x = 8,633.70

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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.