Home / 7,869.04-10,862.89-5,601.85

Finding the Fourth Proportional to 7,869.04, 10,862.89 and 5,601.85

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Solution

The fourth proportional to 7,869.04, 10,862.89 and 5,601.85 is: 7,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.04 : 10,862.89 = 5,601.85 : x
  2. Step 2: Convert to fraction form
    7,869.04/10,862.89 = 5,601.85/x
  3. Step 3: Cross multiply
    7,869.04x = 10,862.89 × 5,601.85
  4. Step 4: Simplify right side
    7,869.04x = 60,852,239.18
  5. Step 5: Solve for x
    x = 60,852,239.18/7,869.04
  6. Step 6: Final answer
    x = 7,733.12

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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.