Home / 12,307.24-16,982.45-7,002.14

Finding the Fourth Proportional to 12,307.24, 16,982.45 and 7,002.14

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Solution

The fourth proportional to 12,307.24, 16,982.45 and 7,002.14 is: 9,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.24 : 16,982.45 = 7,002.14 : x
  2. Step 2: Convert to fraction form
    12,307.24/16,982.45 = 7,002.14/x
  3. Step 3: Cross multiply
    12,307.24x = 16,982.45 × 7,002.14
  4. Step 4: Simplify right side
    12,307.24x = 118,913,492.44
  5. Step 5: Solve for x
    x = 118,913,492.44/12,307.24
  6. Step 6: Final answer
    x = 9,662.08

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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.