Home / 8,317.16-11,477.68-4,781.06

Finding the Fourth Proportional to 8,317.16, 11,477.68 and 4,781.06

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Solution

The fourth proportional to 8,317.16, 11,477.68 and 4,781.06 is: 6,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.16 : 11,477.68 = 4,781.06 : x
  2. Step 2: Convert to fraction form
    8,317.16/11,477.68 = 4,781.06/x
  3. Step 3: Cross multiply
    8,317.16x = 11,477.68 × 4,781.06
  4. Step 4: Simplify right side
    8,317.16x = 54,875,476.74
  5. Step 5: Solve for x
    x = 54,875,476.74/8,317.16
  6. Step 6: Final answer
    x = 6,597.86

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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.