Home / 10,125.56-13,973.36-5,649.28

Finding the Fourth Proportional to 10,125.56, 13,973.36 and 5,649.28

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Solution

The fourth proportional to 10,125.56, 13,973.36 and 5,649.28 is: 7,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.56 : 13,973.36 = 5,649.28 : x
  2. Step 2: Convert to fraction form
    10,125.56/13,973.36 = 5,649.28/x
  3. Step 3: Cross multiply
    10,125.56x = 13,973.36 × 5,649.28
  4. Step 4: Simplify right side
    10,125.56x = 78,939,423.18
  5. Step 5: Solve for x
    x = 78,939,423.18/10,125.56
  6. Step 6: Final answer
    x = 7,796.06

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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.