Home / 10,526.44-15,777.66-5,321.32

Finding the Fourth Proportional to 10,526.44, 15,777.66 and 5,321.32

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Solution

The fourth proportional to 10,526.44, 15,777.66 and 5,321.32 is: 7,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.44 : 15,777.66 = 5,321.32 : x
  2. Step 2: Convert to fraction form
    10,526.44/15,777.66 = 5,321.32/x
  3. Step 3: Cross multiply
    10,526.44x = 15,777.66 × 5,321.32
  4. Step 4: Simplify right side
    10,526.44x = 83,957,977.71
  5. Step 5: Solve for x
    x = 83,957,977.71/10,526.44
  6. Step 6: Final answer
    x = 7,975.91

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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.