Home / 11,134.56-15,360.48-6,417.12

Finding the Fourth Proportional to 11,134.56, 15,360.48 and 6,417.12

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Solution

The fourth proportional to 11,134.56, 15,360.48 and 6,417.12 is: 8,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.56 : 15,360.48 = 6,417.12 : x
  2. Step 2: Convert to fraction form
    11,134.56/15,360.48 = 6,417.12/x
  3. Step 3: Cross multiply
    11,134.56x = 15,360.48 × 6,417.12
  4. Step 4: Simplify right side
    11,134.56x = 98,570,043.42
  5. Step 5: Solve for x
    x = 98,570,043.42/11,134.56
  6. Step 6: Final answer
    x = 8,852.62

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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.