Home / 11,498.94-15,868.40-6,464.01

Finding the Fourth Proportional to 11,498.94, 15,868.40 and 6,464.01

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Solution

The fourth proportional to 11,498.94, 15,868.40 and 6,464.01 is: 8,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.94 : 15,868.40 = 6,464.01 : x
  2. Step 2: Convert to fraction form
    11,498.94/15,868.40 = 6,464.01/x
  3. Step 3: Cross multiply
    11,498.94x = 15,868.40 × 6,464.01
  4. Step 4: Simplify right side
    11,498.94x = 102,573,496.28
  5. Step 5: Solve for x
    x = 102,573,496.28/11,498.94
  6. Step 6: Final answer
    x = 8,920.26

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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.