Home / 12,680.02-17,498.95-7,014.67

Finding the Fourth Proportional to 12,680.02, 17,498.95 and 7,014.67

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Solution

The fourth proportional to 12,680.02, 17,498.95 and 7,014.67 is: 9,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.02 : 17,498.95 = 7,014.67 : x
  2. Step 2: Convert to fraction form
    12,680.02/17,498.95 = 7,014.67/x
  3. Step 3: Cross multiply
    12,680.02x = 17,498.95 × 7,014.67
  4. Step 4: Simplify right side
    12,680.02x = 122,749,396.74
  5. Step 5: Solve for x
    x = 122,749,396.74/12,680.02
  6. Step 6: Final answer
    x = 9,680.54

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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.