Home / 8,429.58-11,632.67-4,652.74

Finding the Fourth Proportional to 8,429.58, 11,632.67 and 4,652.74

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Solution

The fourth proportional to 8,429.58, 11,632.67 and 4,652.74 is: 6,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.58 : 11,632.67 = 4,652.74 : x
  2. Step 2: Convert to fraction form
    8,429.58/11,632.67 = 4,652.74/x
  3. Step 3: Cross multiply
    8,429.58x = 11,632.67 × 4,652.74
  4. Step 4: Simplify right side
    8,429.58x = 54,123,810.83
  5. Step 5: Solve for x
    x = 54,123,810.83/8,429.58
  6. Step 6: Final answer
    x = 6,420.70

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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.