Home / 8,416.57-11,619.70-5,587.77

Finding the Fourth Proportional to 8,416.57, 11,619.70 and 5,587.77

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Solution

The fourth proportional to 8,416.57, 11,619.70 and 5,587.77 is: 7,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.57 : 11,619.70 = 5,587.77 : x
  2. Step 2: Convert to fraction form
    8,416.57/11,619.70 = 5,587.77/x
  3. Step 3: Cross multiply
    8,416.57x = 11,619.70 × 5,587.77
  4. Step 4: Simplify right side
    8,416.57x = 64,928,166.94
  5. Step 5: Solve for x
    x = 64,928,166.94/8,416.57
  6. Step 6: Final answer
    x = 7,714.32

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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.