Home / 11,132.76-15,364.62-6,417.06

Finding the Fourth Proportional to 11,132.76, 15,364.62 and 6,417.06

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Solution

The fourth proportional to 11,132.76, 15,364.62 and 6,417.06 is: 8,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.76 : 15,364.62 = 6,417.06 : x
  2. Step 2: Convert to fraction form
    11,132.76/15,364.62 = 6,417.06/x
  3. Step 3: Cross multiply
    11,132.76x = 15,364.62 × 6,417.06
  4. Step 4: Simplify right side
    11,132.76x = 98,595,688.42
  5. Step 5: Solve for x
    x = 98,595,688.42/11,132.76
  6. Step 6: Final answer
    x = 8,856.36

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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.