Home / 8,280.48-11,426.96-4,554.40

Finding the Fourth Proportional to 8,280.48, 11,426.96 and 4,554.40

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Solution

The fourth proportional to 8,280.48, 11,426.96 and 4,554.40 is: 6,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.48 : 11,426.96 = 4,554.40 : x
  2. Step 2: Convert to fraction form
    8,280.48/11,426.96 = 4,554.40/x
  3. Step 3: Cross multiply
    8,280.48x = 11,426.96 × 4,554.40
  4. Step 4: Simplify right side
    8,280.48x = 52,042,946.62
  5. Step 5: Solve for x
    x = 52,042,946.62/8,280.48
  6. Step 6: Final answer
    x = 6,285.02

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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.