Home / 12,361.04-17,053.76-9,529.28

Finding the Fourth Proportional to 12,361.04, 17,053.76 and 9,529.28

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Solution

The fourth proportional to 12,361.04, 17,053.76 and 9,529.28 is: 13,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.04 : 17,053.76 = 9,529.28 : x
  2. Step 2: Convert to fraction form
    12,361.04/17,053.76 = 9,529.28/x
  3. Step 3: Cross multiply
    12,361.04x = 17,053.76 × 9,529.28
  4. Step 4: Simplify right side
    12,361.04x = 162,510,054.09
  5. Step 5: Solve for x
    x = 162,510,054.09/12,361.04
  6. Step 6: Final answer
    x = 13,146.96

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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.