Home / 10,397.21-15,599.69-6,240.20

Finding the Fourth Proportional to 10,397.21, 15,599.69 and 6,240.20

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Solution

The fourth proportional to 10,397.21, 15,599.69 and 6,240.20 is: 9,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.21 : 15,599.69 = 6,240.20 : x
  2. Step 2: Convert to fraction form
    10,397.21/15,599.69 = 6,240.20/x
  3. Step 3: Cross multiply
    10,397.21x = 15,599.69 × 6,240.20
  4. Step 4: Simplify right side
    10,397.21x = 97,345,185.54
  5. Step 5: Solve for x
    x = 97,345,185.54/10,397.21
  6. Step 6: Final answer
    x = 9,362.63

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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.