Home / 10,929.06-15,082.47-6,950.09

Finding the Fourth Proportional to 10,929.06, 15,082.47 and 6,950.09

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Solution

The fourth proportional to 10,929.06, 15,082.47 and 6,950.09 is: 9,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.06 : 15,082.47 = 6,950.09 : x
  2. Step 2: Convert to fraction form
    10,929.06/15,082.47 = 6,950.09/x
  3. Step 3: Cross multiply
    10,929.06x = 15,082.47 × 6,950.09
  4. Step 4: Simplify right side
    10,929.06x = 104,824,448.51
  5. Step 5: Solve for x
    x = 104,824,448.51/10,929.06
  6. Step 6: Final answer
    x = 9,591.35

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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.