Home / 11,962.49-17,915.92-11,547.23

Finding the Fourth Proportional to 11,962.49, 17,915.92 and 11,547.23

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Solution

The fourth proportional to 11,962.49, 17,915.92 and 11,547.23 is: 17,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.49 : 17,915.92 = 11,547.23 : x
  2. Step 2: Convert to fraction form
    11,962.49/17,915.92 = 11,547.23/x
  3. Step 3: Cross multiply
    11,962.49x = 17,915.92 × 11,547.23
  4. Step 4: Simplify right side
    11,962.49x = 206,879,130.45
  5. Step 5: Solve for x
    x = 206,879,130.45/11,962.49
  6. Step 6: Final answer
    x = 17,293.99

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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.