Home / 12,547.37-17,315.15-6,882.23

Finding the Fourth Proportional to 12,547.37, 17,315.15 and 6,882.23

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Solution

The fourth proportional to 12,547.37, 17,315.15 and 6,882.23 is: 9,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.37 : 17,315.15 = 6,882.23 : x
  2. Step 2: Convert to fraction form
    12,547.37/17,315.15 = 6,882.23/x
  3. Step 3: Cross multiply
    12,547.37x = 17,315.15 × 6,882.23
  4. Step 4: Simplify right side
    12,547.37x = 119,166,723.80
  5. Step 5: Solve for x
    x = 119,166,723.80/12,547.37
  6. Step 6: Final answer
    x = 9,497.35

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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.