Home / 8,915.57-13,368.35-6,107.58

Finding the Fourth Proportional to 8,915.57, 13,368.35 and 6,107.58

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Solution

The fourth proportional to 8,915.57, 13,368.35 and 6,107.58 is: 9,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.57 : 13,368.35 = 6,107.58 : x
  2. Step 2: Convert to fraction form
    8,915.57/13,368.35 = 6,107.58/x
  3. Step 3: Cross multiply
    8,915.57x = 13,368.35 × 6,107.58
  4. Step 4: Simplify right side
    8,915.57x = 81,648,232.23
  5. Step 5: Solve for x
    x = 81,648,232.23/8,915.57
  6. Step 6: Final answer
    x = 9,157.94

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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.