Home / 7,112.36-9,820.26-4,595.96

Finding the Fourth Proportional to 7,112.36, 9,820.26 and 4,595.96

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Solution

The fourth proportional to 7,112.36, 9,820.26 and 4,595.96 is: 6,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.36 : 9,820.26 = 4,595.96 : x
  2. Step 2: Convert to fraction form
    7,112.36/9,820.26 = 4,595.96/x
  3. Step 3: Cross multiply
    7,112.36x = 9,820.26 × 4,595.96
  4. Step 4: Simplify right side
    7,112.36x = 45,133,522.15
  5. Step 5: Solve for x
    x = 45,133,522.15/7,112.36
  6. Step 6: Final answer
    x = 6,345.79

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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.