Home / 8,656.04-11,937.48-5,670.78

Finding the Fourth Proportional to 8,656.04, 11,937.48 and 5,670.78

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Solution

The fourth proportional to 8,656.04, 11,937.48 and 5,670.78 is: 7,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.04 : 11,937.48 = 5,670.78 : x
  2. Step 2: Convert to fraction form
    8,656.04/11,937.48 = 5,670.78/x
  3. Step 3: Cross multiply
    8,656.04x = 11,937.48 × 5,670.78
  4. Step 4: Simplify right side
    8,656.04x = 67,694,822.83
  5. Step 5: Solve for x
    x = 67,694,822.83/8,656.04
  6. Step 6: Final answer
    x = 7,820.53

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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.