Home / 10,581.86-15,795.53-9,810.95

Finding the Fourth Proportional to 10,581.86, 15,795.53 and 9,810.95

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Solution

The fourth proportional to 10,581.86, 15,795.53 and 9,810.95 is: 14,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.86 : 15,795.53 = 9,810.95 : x
  2. Step 2: Convert to fraction form
    10,581.86/15,795.53 = 9,810.95/x
  3. Step 3: Cross multiply
    10,581.86x = 15,795.53 × 9,810.95
  4. Step 4: Simplify right side
    10,581.86x = 154,969,027.02
  5. Step 5: Solve for x
    x = 154,969,027.02/10,581.86
  6. Step 6: Final answer
    x = 14,644.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.