Home / 11,316.24-15,612.60-6,838.26

Finding the Fourth Proportional to 11,316.24, 15,612.60 and 6,838.26

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Solution

The fourth proportional to 11,316.24, 15,612.60 and 6,838.26 is: 9,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.24 : 15,612.60 = 6,838.26 : x
  2. Step 2: Convert to fraction form
    11,316.24/15,612.60 = 6,838.26/x
  3. Step 3: Cross multiply
    11,316.24x = 15,612.60 × 6,838.26
  4. Step 4: Simplify right side
    11,316.24x = 106,763,018.08
  5. Step 5: Solve for x
    x = 106,763,018.08/11,316.24
  6. Step 6: Final answer
    x = 9,434.50

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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.