Home / 11,630.16-17,447.40-5,386.05

Finding the Fourth Proportional to 11,630.16, 17,447.40 and 5,386.05

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Solution

The fourth proportional to 11,630.16, 17,447.40 and 5,386.05 is: 8,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.16 : 17,447.40 = 5,386.05 : x
  2. Step 2: Convert to fraction form
    11,630.16/17,447.40 = 5,386.05/x
  3. Step 3: Cross multiply
    11,630.16x = 17,447.40 × 5,386.05
  4. Step 4: Simplify right side
    11,630.16x = 93,972,568.77
  5. Step 5: Solve for x
    x = 93,972,568.77/11,630.16
  6. Step 6: Final answer
    x = 8,080.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.