Home / 9,263.66-12,785.09-5,486.53

Finding the Fourth Proportional to 9,263.66, 12,785.09 and 5,486.53

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Solution

The fourth proportional to 9,263.66, 12,785.09 and 5,486.53 is: 7,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.66 : 12,785.09 = 5,486.53 : x
  2. Step 2: Convert to fraction form
    9,263.66/12,785.09 = 5,486.53/x
  3. Step 3: Cross multiply
    9,263.66x = 12,785.09 × 5,486.53
  4. Step 4: Simplify right side
    9,263.66x = 70,145,779.84
  5. Step 5: Solve for x
    x = 70,145,779.84/9,263.66
  6. Step 6: Final answer
    x = 7,572.15

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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.