Home / 8,915.41-13,397.34-4,758.35

Finding the Fourth Proportional to 8,915.41, 13,397.34 and 4,758.35

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Solution

The fourth proportional to 8,915.41, 13,397.34 and 4,758.35 is: 7,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.41 : 13,397.34 = 4,758.35 : x
  2. Step 2: Convert to fraction form
    8,915.41/13,397.34 = 4,758.35/x
  3. Step 3: Cross multiply
    8,915.41x = 13,397.34 × 4,758.35
  4. Step 4: Simplify right side
    8,915.41x = 63,749,232.79
  5. Step 5: Solve for x
    x = 63,749,232.79/8,915.41
  6. Step 6: Final answer
    x = 7,150.45

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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.