Home / 7,833.57-11,753.32-4,715.78

Finding the Fourth Proportional to 7,833.57, 11,753.32 and 4,715.78

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Solution

The fourth proportional to 7,833.57, 11,753.32 and 4,715.78 is: 7,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.57 : 11,753.32 = 4,715.78 : x
  2. Step 2: Convert to fraction form
    7,833.57/11,753.32 = 4,715.78/x
  3. Step 3: Cross multiply
    7,833.57x = 11,753.32 × 4,715.78
  4. Step 4: Simplify right side
    7,833.57x = 55,426,071.39
  5. Step 5: Solve for x
    x = 55,426,071.39/7,833.57
  6. Step 6: Final answer
    x = 7,075.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.