Home / 8,558.06-11,810.02-4,780.98

Finding the Fourth Proportional to 8,558.06, 11,810.02 and 4,780.98

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Solution

The fourth proportional to 8,558.06, 11,810.02 and 4,780.98 is: 6,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.06 : 11,810.02 = 4,780.98 : x
  2. Step 2: Convert to fraction form
    8,558.06/11,810.02 = 4,780.98/x
  3. Step 3: Cross multiply
    8,558.06x = 11,810.02 × 4,780.98
  4. Step 4: Simplify right side
    8,558.06x = 56,463,469.42
  5. Step 5: Solve for x
    x = 56,463,469.42/8,558.06
  6. Step 6: Final answer
    x = 6,597.69

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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.