Home / 7,763.49-10,718.34-4,783.35

Finding the Fourth Proportional to 7,763.49, 10,718.34 and 4,783.35

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Solution

The fourth proportional to 7,763.49, 10,718.34 and 4,783.35 is: 6,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.49 : 10,718.34 = 4,783.35 : x
  2. Step 2: Convert to fraction form
    7,763.49/10,718.34 = 4,783.35/x
  3. Step 3: Cross multiply
    7,763.49x = 10,718.34 × 4,783.35
  4. Step 4: Simplify right side
    7,763.49x = 51,269,571.64
  5. Step 5: Solve for x
    x = 51,269,571.64/7,763.49
  6. Step 6: Final answer
    x = 6,603.93

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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.