Home / 10,964.87-15,130.45-6,185.56

Finding the Fourth Proportional to 10,964.87, 15,130.45 and 6,185.56

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Solution

The fourth proportional to 10,964.87, 15,130.45 and 6,185.56 is: 8,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.87 : 15,130.45 = 6,185.56 : x
  2. Step 2: Convert to fraction form
    10,964.87/15,130.45 = 6,185.56/x
  3. Step 3: Cross multiply
    10,964.87x = 15,130.45 × 6,185.56
  4. Step 4: Simplify right side
    10,964.87x = 93,590,347.58
  5. Step 5: Solve for x
    x = 93,590,347.58/10,964.87
  6. Step 6: Final answer
    x = 8,535.47

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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.