Home / 8,935.85-12,330.86-4,956.81

Finding the Fourth Proportional to 8,935.85, 12,330.86 and 4,956.81

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Solution

The fourth proportional to 8,935.85, 12,330.86 and 4,956.81 is: 6,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.85 : 12,330.86 = 4,956.81 : x
  2. Step 2: Convert to fraction form
    8,935.85/12,330.86 = 4,956.81/x
  3. Step 3: Cross multiply
    8,935.85x = 12,330.86 × 4,956.81
  4. Step 4: Simplify right side
    8,935.85x = 61,121,705.37
  5. Step 5: Solve for x
    x = 61,121,705.37/8,935.85
  6. Step 6: Final answer
    x = 6,840.06

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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.