Home / 8,280.16-11,426.82-4,744.48

Finding the Fourth Proportional to 8,280.16, 11,426.82 and 4,744.48

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Solution

The fourth proportional to 8,280.16, 11,426.82 and 4,744.48 is: 6,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.16 : 11,426.82 = 4,744.48 : x
  2. Step 2: Convert to fraction form
    8,280.16/11,426.82 = 4,744.48/x
  3. Step 3: Cross multiply
    8,280.16x = 11,426.82 × 4,744.48
  4. Step 4: Simplify right side
    8,280.16x = 54,214,318.95
  5. Step 5: Solve for x
    x = 54,214,318.95/8,280.16
  6. Step 6: Final answer
    x = 6,547.50

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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.