Home / 8,015.40-11,065.86-5,501.16

Finding the Fourth Proportional to 8,015.40, 11,065.86 and 5,501.16

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Solution

The fourth proportional to 8,015.40, 11,065.86 and 5,501.16 is: 7,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.40 : 11,065.86 = 5,501.16 : x
  2. Step 2: Convert to fraction form
    8,015.40/11,065.86 = 5,501.16/x
  3. Step 3: Cross multiply
    8,015.40x = 11,065.86 × 5,501.16
  4. Step 4: Simplify right side
    8,015.40x = 60,875,066.40
  5. Step 5: Solve for x
    x = 60,875,066.40/8,015.40
  6. Step 6: Final answer
    x = 7,594.76

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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.