Home / 10,076.81-13,905.52-5,600.52

Finding the Fourth Proportional to 10,076.81, 13,905.52 and 5,600.52

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Solution

The fourth proportional to 10,076.81, 13,905.52 and 5,600.52 is: 7,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.81 : 13,905.52 = 5,600.52 : x
  2. Step 2: Convert to fraction form
    10,076.81/13,905.52 = 5,600.52/x
  3. Step 3: Cross multiply
    10,076.81x = 13,905.52 × 5,600.52
  4. Step 4: Simplify right side
    10,076.81x = 77,878,121.26
  5. Step 5: Solve for x
    x = 77,878,121.26/10,076.81
  6. Step 6: Final answer
    x = 7,728.45

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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.