Home / 35,346.47-53,018.33-11,972.91

Finding the Fourth Proportional to 35,346.47, 53,018.33 and 11,972.91

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Solution

The fourth proportional to 35,346.47, 53,018.33 and 11,972.91 is: 17,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.47 : 53,018.33 = 11,972.91 : x
  2. Step 2: Convert to fraction form
    35,346.47/53,018.33 = 11,972.91/x
  3. Step 3: Cross multiply
    35,346.47x = 53,018.33 × 11,972.91
  4. Step 4: Simplify right side
    35,346.47x = 634,783,633.58
  5. Step 5: Solve for x
    x = 634,783,633.58/35,346.47
  6. Step 6: Final answer
    x = 17,958.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.