Home / 10,973.09-15,142.75-5,937.20

Finding the Fourth Proportional to 10,973.09, 15,142.75 and 5,937.20

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Solution

The fourth proportional to 10,973.09, 15,142.75 and 5,937.20 is: 8,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.09 : 15,142.75 = 5,937.20 : x
  2. Step 2: Convert to fraction form
    10,973.09/15,142.75 = 5,937.20/x
  3. Step 3: Cross multiply
    10,973.09x = 15,142.75 × 5,937.20
  4. Step 4: Simplify right side
    10,973.09x = 89,905,459.59
  5. Step 5: Solve for x
    x = 89,905,459.59/10,973.09
  6. Step 6: Final answer
    x = 8,193.27

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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.