Home / 31,297.77-46,954.36-9,111.35

Finding the Fourth Proportional to 31,297.77, 46,954.36 and 9,111.35

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Solution

The fourth proportional to 31,297.77, 46,954.36 and 9,111.35 is: 13,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.77 : 46,954.36 = 9,111.35 : x
  2. Step 2: Convert to fraction form
    31,297.77/46,954.36 = 9,111.35/x
  3. Step 3: Cross multiply
    31,297.77x = 46,954.36 × 9,111.35
  4. Step 4: Simplify right side
    31,297.77x = 427,817,327.66
  5. Step 5: Solve for x
    x = 427,817,327.66/31,297.77
  6. Step 6: Final answer
    x = 13,669.26

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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.