Home / 7,347.07-11,018.32-2,415.53

Finding the Fourth Proportional to 7,347.07, 11,018.32 and 2,415.53

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Solution

The fourth proportional to 7,347.07, 11,018.32 and 2,415.53 is: 3,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.07 : 11,018.32 = 2,415.53 : x
  2. Step 2: Convert to fraction form
    7,347.07/11,018.32 = 2,415.53/x
  3. Step 3: Cross multiply
    7,347.07x = 11,018.32 × 2,415.53
  4. Step 4: Simplify right side
    7,347.07x = 26,615,082.51
  5. Step 5: Solve for x
    x = 26,615,082.51/7,347.07
  6. Step 6: Final answer
    x = 3,622.54

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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.