Home / 7,509.72-10,362.51-4,152.07

Finding the Fourth Proportional to 7,509.72, 10,362.51 and 4,152.07

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Solution

The fourth proportional to 7,509.72, 10,362.51 and 4,152.07 is: 5,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.72 : 10,362.51 = 4,152.07 : x
  2. Step 2: Convert to fraction form
    7,509.72/10,362.51 = 4,152.07/x
  3. Step 3: Cross multiply
    7,509.72x = 10,362.51 × 4,152.07
  4. Step 4: Simplify right side
    7,509.72x = 43,025,866.90
  5. Step 5: Solve for x
    x = 43,025,866.90/7,509.72
  6. Step 6: Final answer
    x = 5,729.36

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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.