Home / 7,409.36-10,220.10-4,752.56

Finding the Fourth Proportional to 7,409.36, 10,220.10 and 4,752.56

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Solution

The fourth proportional to 7,409.36, 10,220.10 and 4,752.56 is: 6,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.36 : 10,220.10 = 4,752.56 : x
  2. Step 2: Convert to fraction form
    7,409.36/10,220.10 = 4,752.56/x
  3. Step 3: Cross multiply
    7,409.36x = 10,220.10 × 4,752.56
  4. Step 4: Simplify right side
    7,409.36x = 48,571,638.46
  5. Step 5: Solve for x
    x = 48,571,638.46/7,409.36
  6. Step 6: Final answer
    x = 6,555.44

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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.