Home / 10,964.77-15,130.70-6,185.46

Finding the Fourth Proportional to 10,964.77, 15,130.70 and 6,185.46

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Solution

The fourth proportional to 10,964.77, 15,130.70 and 6,185.46 is: 8,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.77 : 15,130.70 = 6,185.46 : x
  2. Step 2: Convert to fraction form
    10,964.77/15,130.70 = 6,185.46/x
  3. Step 3: Cross multiply
    10,964.77x = 15,130.70 × 6,185.46
  4. Step 4: Simplify right side
    10,964.77x = 93,590,388.63
  5. Step 5: Solve for x
    x = 93,590,388.63/10,964.77
  6. Step 6: Final answer
    x = 8,535.56

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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.