Home / 9,015.56-13,491.66-7,798.28

Finding the Fourth Proportional to 9,015.56, 13,491.66 and 7,798.28

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Solution

The fourth proportional to 9,015.56, 13,491.66 and 7,798.28 is: 11,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.56 : 13,491.66 = 7,798.28 : x
  2. Step 2: Convert to fraction form
    9,015.56/13,491.66 = 7,798.28/x
  3. Step 3: Cross multiply
    9,015.56x = 13,491.66 × 7,798.28
  4. Step 4: Simplify right side
    9,015.56x = 105,211,742.34
  5. Step 5: Solve for x
    x = 105,211,742.34/9,015.56
  6. Step 6: Final answer
    x = 11,670.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.