Home / 10,969.56-15,137.06-6,492.51

Finding the Fourth Proportional to 10,969.56, 15,137.06 and 6,492.51

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Solution

The fourth proportional to 10,969.56, 15,137.06 and 6,492.51 is: 8,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.56 : 15,137.06 = 6,492.51 : x
  2. Step 2: Convert to fraction form
    10,969.56/15,137.06 = 6,492.51/x
  3. Step 3: Cross multiply
    10,969.56x = 15,137.06 × 6,492.51
  4. Step 4: Simplify right side
    10,969.56x = 98,277,480.96
  5. Step 5: Solve for x
    x = 98,277,480.96/10,969.56
  6. Step 6: Final answer
    x = 8,959.11

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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.