Home / 12,392.84-17,108.79-9,554.00

Finding the Fourth Proportional to 12,392.84, 17,108.79 and 9,554.00

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Solution

The fourth proportional to 12,392.84, 17,108.79 and 9,554.00 is: 13,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.84 : 17,108.79 = 9,554.00 : x
  2. Step 2: Convert to fraction form
    12,392.84/17,108.79 = 9,554.00/x
  3. Step 3: Cross multiply
    12,392.84x = 17,108.79 × 9,554.00
  4. Step 4: Simplify right side
    12,392.84x = 163,457,258.29
  5. Step 5: Solve for x
    x = 163,457,258.29/12,392.84
  6. Step 6: Final answer
    x = 13,189.65

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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.