Home / 7,896.29-10,896.32-4,870.94

Finding the Fourth Proportional to 7,896.29, 10,896.32 and 4,870.94

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Solution

The fourth proportional to 7,896.29, 10,896.32 and 4,870.94 is: 6,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.29 : 10,896.32 = 4,870.94 : x
  2. Step 2: Convert to fraction form
    7,896.29/10,896.32 = 4,870.94/x
  3. Step 3: Cross multiply
    7,896.29x = 10,896.32 × 4,870.94
  4. Step 4: Simplify right side
    7,896.29x = 53,075,278.64
  5. Step 5: Solve for x
    x = 53,075,278.64/7,896.29
  6. Step 6: Final answer
    x = 6,721.55

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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.