Home / 11,116.08-15,339.96-6,148.08

Finding the Fourth Proportional to 11,116.08, 15,339.96 and 6,148.08

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Solution

The fourth proportional to 11,116.08, 15,339.96 and 6,148.08 is: 8,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.08 : 15,339.96 = 6,148.08 : x
  2. Step 2: Convert to fraction form
    11,116.08/15,339.96 = 6,148.08/x
  3. Step 3: Cross multiply
    11,116.08x = 15,339.96 × 6,148.08
  4. Step 4: Simplify right side
    11,116.08x = 94,311,301.28
  5. Step 5: Solve for x
    x = 94,311,301.28/11,116.08
  6. Step 6: Final answer
    x = 8,484.22

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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.