Home / 12,975.36-17,904.96-8,492.01

Finding the Fourth Proportional to 12,975.36, 17,904.96 and 8,492.01

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Solution

The fourth proportional to 12,975.36, 17,904.96 and 8,492.01 is: 11,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.36 : 17,904.96 = 8,492.01 : x
  2. Step 2: Convert to fraction form
    12,975.36/17,904.96 = 8,492.01/x
  3. Step 3: Cross multiply
    12,975.36x = 17,904.96 × 8,492.01
  4. Step 4: Simplify right side
    12,975.36x = 152,049,099.37
  5. Step 5: Solve for x
    x = 152,049,099.37/12,975.36
  6. Step 6: Final answer
    x = 11,718.30

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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.