Home / 11,510.52-15,884.35-6,474.74

Finding the Fourth Proportional to 11,510.52, 15,884.35 and 6,474.74

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Solution

The fourth proportional to 11,510.52, 15,884.35 and 6,474.74 is: 8,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.52 : 15,884.35 = 6,474.74 : x
  2. Step 2: Convert to fraction form
    11,510.52/15,884.35 = 6,474.74/x
  3. Step 3: Cross multiply
    11,510.52x = 15,884.35 × 6,474.74
  4. Step 4: Simplify right side
    11,510.52x = 102,847,036.32
  5. Step 5: Solve for x
    x = 102,847,036.32/11,510.52
  6. Step 6: Final answer
    x = 8,935.05

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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.