Home / 7,328.40-10,113.12-4,533.36

Finding the Fourth Proportional to 7,328.40, 10,113.12 and 4,533.36

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Solution

The fourth proportional to 7,328.40, 10,113.12 and 4,533.36 is: 6,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.40 : 10,113.12 = 4,533.36 : x
  2. Step 2: Convert to fraction form
    7,328.40/10,113.12 = 4,533.36/x
  3. Step 3: Cross multiply
    7,328.40x = 10,113.12 × 4,533.36
  4. Step 4: Simplify right side
    7,328.40x = 45,846,413.68
  5. Step 5: Solve for x
    x = 45,846,413.68/7,328.40
  6. Step 6: Final answer
    x = 6,255.99

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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.