Home / 11,030.73-15,222.74-6,784.28

Finding the Fourth Proportional to 11,030.73, 15,222.74 and 6,784.28

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Solution

The fourth proportional to 11,030.73, 15,222.74 and 6,784.28 is: 9,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.73 : 15,222.74 = 6,784.28 : x
  2. Step 2: Convert to fraction form
    11,030.73/15,222.74 = 6,784.28/x
  3. Step 3: Cross multiply
    11,030.73x = 15,222.74 × 6,784.28
  4. Step 4: Simplify right side
    11,030.73x = 103,275,370.42
  5. Step 5: Solve for x
    x = 103,275,370.42/11,030.73
  6. Step 6: Final answer
    x = 9,362.52

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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.