Home / 11,148.03-15,384.21-6,112.46

Finding the Fourth Proportional to 11,148.03, 15,384.21 and 6,112.46

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Solution

The fourth proportional to 11,148.03, 15,384.21 and 6,112.46 is: 8,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.03 : 15,384.21 = 6,112.46 : x
  2. Step 2: Convert to fraction form
    11,148.03/15,384.21 = 6,112.46/x
  3. Step 3: Cross multiply
    11,148.03x = 15,384.21 × 6,112.46
  4. Step 4: Simplify right side
    11,148.03x = 94,035,345.08
  5. Step 5: Solve for x
    x = 94,035,345.08/11,148.03
  6. Step 6: Final answer
    x = 8,435.16

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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.