Home / 11,184.30-15,434.64-6,148.74

Finding the Fourth Proportional to 11,184.30, 15,434.64 and 6,148.74

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Solution

The fourth proportional to 11,184.30, 15,434.64 and 6,148.74 is: 8,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.30 : 15,434.64 = 6,148.74 : x
  2. Step 2: Convert to fraction form
    11,184.30/15,434.64 = 6,148.74/x
  3. Step 3: Cross multiply
    11,184.30x = 15,434.64 × 6,148.74
  4. Step 4: Simplify right side
    11,184.30x = 94,903,507.36
  5. Step 5: Solve for x
    x = 94,903,507.36/11,184.30
  6. Step 6: Final answer
    x = 8,485.42

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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.