Home / 8,412.48-12,624.96-3,152.32

Finding the Fourth Proportional to 8,412.48, 12,624.96 and 3,152.32

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Solution

The fourth proportional to 8,412.48, 12,624.96 and 3,152.32 is: 4,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.48 : 12,624.96 = 3,152.32 : x
  2. Step 2: Convert to fraction form
    8,412.48/12,624.96 = 3,152.32/x
  3. Step 3: Cross multiply
    8,412.48x = 12,624.96 × 3,152.32
  4. Step 4: Simplify right side
    8,412.48x = 39,797,913.91
  5. Step 5: Solve for x
    x = 39,797,913.91/8,412.48
  6. Step 6: Final answer
    x = 4,730.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.