Home / 10,899.32-15,037.86-6,361.16

Finding the Fourth Proportional to 10,899.32, 15,037.86 and 6,361.16

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Solution

The fourth proportional to 10,899.32, 15,037.86 and 6,361.16 is: 8,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.32 : 15,037.86 = 6,361.16 : x
  2. Step 2: Convert to fraction form
    10,899.32/15,037.86 = 6,361.16/x
  3. Step 3: Cross multiply
    10,899.32x = 15,037.86 × 6,361.16
  4. Step 4: Simplify right side
    10,899.32x = 95,658,233.52
  5. Step 5: Solve for x
    x = 95,658,233.52/10,899.32
  6. Step 6: Final answer
    x = 8,776.53

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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.