Home / 10,253.86-14,150.38-5,777.66

Finding the Fourth Proportional to 10,253.86, 14,150.38 and 5,777.66

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Solution

The fourth proportional to 10,253.86, 14,150.38 and 5,777.66 is: 7,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.86 : 14,150.38 = 5,777.66 : x
  2. Step 2: Convert to fraction form
    10,253.86/14,150.38 = 5,777.66/x
  3. Step 3: Cross multiply
    10,253.86x = 14,150.38 × 5,777.66
  4. Step 4: Simplify right side
    10,253.86x = 81,756,084.51
  5. Step 5: Solve for x
    x = 81,756,084.51/10,253.86
  6. Step 6: Final answer
    x = 7,973.20

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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.