Home / 8,785.04-12,123.35-4,806.16

Finding the Fourth Proportional to 8,785.04, 12,123.35 and 4,806.16

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Solution

The fourth proportional to 8,785.04, 12,123.35 and 4,806.16 is: 6,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.04 : 12,123.35 = 4,806.16 : x
  2. Step 2: Convert to fraction form
    8,785.04/12,123.35 = 4,806.16/x
  3. Step 3: Cross multiply
    8,785.04x = 12,123.35 × 4,806.16
  4. Step 4: Simplify right side
    8,785.04x = 58,266,741.54
  5. Step 5: Solve for x
    x = 58,266,741.54/8,785.04
  6. Step 6: Final answer
    x = 6,632.49

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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.