Home / 10,280.63-14,174.93-8,767.95

Finding the Fourth Proportional to 10,280.63, 14,174.93 and 8,767.95

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Solution

The fourth proportional to 10,280.63, 14,174.93 and 8,767.95 is: 12,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.63 : 14,174.93 = 8,767.95 : x
  2. Step 2: Convert to fraction form
    10,280.63/14,174.93 = 8,767.95/x
  3. Step 3: Cross multiply
    10,280.63x = 14,174.93 × 8,767.95
  4. Step 4: Simplify right side
    10,280.63x = 124,285,033.65
  5. Step 5: Solve for x
    x = 124,285,033.65/10,280.63
  6. Step 6: Final answer
    x = 12,089.25

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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.