Home / 12,395.84-17,112.93-9,557.00

Finding the Fourth Proportional to 12,395.84, 17,112.93 and 9,557.00

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Solution

The fourth proportional to 12,395.84, 17,112.93 and 9,557.00 is: 13,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.84 : 17,112.93 = 9,557.00 : x
  2. Step 2: Convert to fraction form
    12,395.84/17,112.93 = 9,557.00/x
  3. Step 3: Cross multiply
    12,395.84x = 17,112.93 × 9,557.00
  4. Step 4: Simplify right side
    12,395.84x = 163,548,186.45
  5. Step 5: Solve for x
    x = 163,548,186.45/12,395.84
  6. Step 6: Final answer
    x = 13,193.79

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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.