Home / 8,853.48-13,275.99-5,156.77

Finding the Fourth Proportional to 8,853.48, 13,275.99 and 5,156.77

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Solution

The fourth proportional to 8,853.48, 13,275.99 and 5,156.77 is: 7,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.48 : 13,275.99 = 5,156.77 : x
  2. Step 2: Convert to fraction form
    8,853.48/13,275.99 = 5,156.77/x
  3. Step 3: Cross multiply
    8,853.48x = 13,275.99 × 5,156.77
  4. Step 4: Simplify right side
    8,853.48x = 68,461,193.76
  5. Step 5: Solve for x
    x = 68,461,193.76/8,853.48
  6. Step 6: Final answer
    x = 7,732.68

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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.