Home / 10,116.58-15,178.92-3,547.48

Finding the Fourth Proportional to 10,116.58, 15,178.92 and 3,547.48

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Solution

The fourth proportional to 10,116.58, 15,178.92 and 3,547.48 is: 5,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.58 : 15,178.92 = 3,547.48 : x
  2. Step 2: Convert to fraction form
    10,116.58/15,178.92 = 3,547.48/x
  3. Step 3: Cross multiply
    10,116.58x = 15,178.92 × 3,547.48
  4. Step 4: Simplify right side
    10,116.58x = 53,846,915.12
  5. Step 5: Solve for x
    x = 53,846,915.12/10,116.58
  6. Step 6: Final answer
    x = 5,322.64

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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.