Home / 30,973.36-46,465.64-11,279.56

Finding the Fourth Proportional to 30,973.36, 46,465.64 and 11,279.56

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Solution

The fourth proportional to 30,973.36, 46,465.64 and 11,279.56 is: 16,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.36 : 46,465.64 = 11,279.56 : x
  2. Step 2: Convert to fraction form
    30,973.36/46,465.64 = 11,279.56/x
  3. Step 3: Cross multiply
    30,973.36x = 46,465.64 × 11,279.56
  4. Step 4: Simplify right side
    30,973.36x = 524,111,974.32
  5. Step 5: Solve for x
    x = 524,111,974.32/30,973.36
  6. Step 6: Final answer
    x = 16,921.38

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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.