Home / 10,520.75-14,518.65-5,805.02

Finding the Fourth Proportional to 10,520.75, 14,518.65 and 5,805.02

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Solution

The fourth proportional to 10,520.75, 14,518.65 and 5,805.02 is: 8,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.75 : 14,518.65 = 5,805.02 : x
  2. Step 2: Convert to fraction form
    10,520.75/14,518.65 = 5,805.02/x
  3. Step 3: Cross multiply
    10,520.75x = 14,518.65 × 5,805.02
  4. Step 4: Simplify right side
    10,520.75x = 84,281,053.62
  5. Step 5: Solve for x
    x = 84,281,053.62/10,520.75
  6. Step 6: Final answer
    x = 8,010.94

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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.