Home / 7,785.23-10,743.54-4,248.41

Finding the Fourth Proportional to 7,785.23, 10,743.54 and 4,248.41

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Solution

The fourth proportional to 7,785.23, 10,743.54 and 4,248.41 is: 5,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.23 : 10,743.54 = 4,248.41 : x
  2. Step 2: Convert to fraction form
    7,785.23/10,743.54 = 4,248.41/x
  3. Step 3: Cross multiply
    7,785.23x = 10,743.54 × 4,248.41
  4. Step 4: Simplify right side
    7,785.23x = 45,642,962.77
  5. Step 5: Solve for x
    x = 45,642,962.77/7,785.23
  6. Step 6: Final answer
    x = 5,862.76

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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.