Home / 7,563.45-10,437.74-4,206.40

Finding the Fourth Proportional to 7,563.45, 10,437.74 and 4,206.40

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Solution

The fourth proportional to 7,563.45, 10,437.74 and 4,206.40 is: 5,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.45 : 10,437.74 = 4,206.40 : x
  2. Step 2: Convert to fraction form
    7,563.45/10,437.74 = 4,206.40/x
  3. Step 3: Cross multiply
    7,563.45x = 10,437.74 × 4,206.40
  4. Step 4: Simplify right side
    7,563.45x = 43,905,309.54
  5. Step 5: Solve for x
    x = 43,905,309.54/7,563.45
  6. Step 6: Final answer
    x = 5,804.93

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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.