Home / 8,853.30-13,275.72-5,156.58

Finding the Fourth Proportional to 8,853.30, 13,275.72 and 5,156.58

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Solution

The fourth proportional to 8,853.30, 13,275.72 and 5,156.58 is: 7,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.30 : 13,275.72 = 5,156.58 : x
  2. Step 2: Convert to fraction form
    8,853.30/13,275.72 = 5,156.58/x
  3. Step 3: Cross multiply
    8,853.30x = 13,275.72 × 5,156.58
  4. Step 4: Simplify right side
    8,853.30x = 68,457,312.24
  5. Step 5: Solve for x
    x = 68,457,312.24/8,853.30
  6. Step 6: Final answer
    x = 7,732.41

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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.