Home / 12,964.84-17,915.70-10,606.12

Finding the Fourth Proportional to 12,964.84, 17,915.70 and 10,606.12

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Solution

The fourth proportional to 12,964.84, 17,915.70 and 10,606.12 is: 14,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.84 : 17,915.70 = 10,606.12 : x
  2. Step 2: Convert to fraction form
    12,964.84/17,915.70 = 10,606.12/x
  3. Step 3: Cross multiply
    12,964.84x = 17,915.70 × 10,606.12
  4. Step 4: Simplify right side
    12,964.84x = 190,016,064.08
  5. Step 5: Solve for x
    x = 190,016,064.08/12,964.84
  6. Step 6: Final answer
    x = 14,656.26

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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.