Home / 10,072.80-15,113.52-6,556.32

Finding the Fourth Proportional to 10,072.80, 15,113.52 and 6,556.32

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Solution

The fourth proportional to 10,072.80, 15,113.52 and 6,556.32 is: 9,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.80 : 15,113.52 = 6,556.32 : x
  2. Step 2: Convert to fraction form
    10,072.80/15,113.52 = 6,556.32/x
  3. Step 3: Cross multiply
    10,072.80x = 15,113.52 × 6,556.32
  4. Step 4: Simplify right side
    10,072.80x = 99,089,073.45
  5. Step 5: Solve for x
    x = 99,089,073.45/10,072.80
  6. Step 6: Final answer
    x = 9,837.29

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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.