Home / 8,364.48-12,547.44-2,520.96

Finding the Fourth Proportional to 8,364.48, 12,547.44 and 2,520.96

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Solution

The fourth proportional to 8,364.48, 12,547.44 and 2,520.96 is: 3,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.48 : 12,547.44 = 2,520.96 : x
  2. Step 2: Convert to fraction form
    8,364.48/12,547.44 = 2,520.96/x
  3. Step 3: Cross multiply
    8,364.48x = 12,547.44 × 2,520.96
  4. Step 4: Simplify right side
    8,364.48x = 31,631,594.34
  5. Step 5: Solve for x
    x = 31,631,594.34/8,364.48
  6. Step 6: Final answer
    x = 3,781.66

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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.