Home / 10,927.55-15,080.40-6,948.58

Finding the Fourth Proportional to 10,927.55, 15,080.40 and 6,948.58

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Solution

The fourth proportional to 10,927.55, 15,080.40 and 6,948.58 is: 9,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.55 : 15,080.40 = 6,948.58 : x
  2. Step 2: Convert to fraction form
    10,927.55/15,080.40 = 6,948.58/x
  3. Step 3: Cross multiply
    10,927.55x = 15,080.40 × 6,948.58
  4. Step 4: Simplify right side
    10,927.55x = 104,787,328.13
  5. Step 5: Solve for x
    x = 104,787,328.13/10,927.55
  6. Step 6: Final answer
    x = 9,589.28

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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.