Home / 9,361.16-12,915.28-6,176.02

Finding the Fourth Proportional to 9,361.16, 12,915.28 and 6,176.02

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Solution

The fourth proportional to 9,361.16, 12,915.28 and 6,176.02 is: 8,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.16 : 12,915.28 = 6,176.02 : x
  2. Step 2: Convert to fraction form
    9,361.16/12,915.28 = 6,176.02/x
  3. Step 3: Cross multiply
    9,361.16x = 12,915.28 × 6,176.02
  4. Step 4: Simplify right side
    9,361.16x = 79,765,027.59
  5. Step 5: Solve for x
    x = 79,765,027.59/9,361.16
  6. Step 6: Final answer
    x = 8,520.85

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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.