Home / 12,366.02-17,065.16-6,700.78

Finding the Fourth Proportional to 12,366.02, 17,065.16 and 6,700.78

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Solution

The fourth proportional to 12,366.02, 17,065.16 and 6,700.78 is: 9,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.02 : 17,065.16 = 6,700.78 : x
  2. Step 2: Convert to fraction form
    12,366.02/17,065.16 = 6,700.78/x
  3. Step 3: Cross multiply
    12,366.02x = 17,065.16 × 6,700.78
  4. Step 4: Simplify right side
    12,366.02x = 114,349,882.82
  5. Step 5: Solve for x
    x = 114,349,882.82/12,366.02
  6. Step 6: Final answer
    x = 9,247.10

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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.