Home / 7,176.12-9,903.06-4,032.30

Finding the Fourth Proportional to 7,176.12, 9,903.06 and 4,032.30

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Solution

The fourth proportional to 7,176.12, 9,903.06 and 4,032.30 is: 5,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.12 : 9,903.06 = 4,032.30 : x
  2. Step 2: Convert to fraction form
    7,176.12/9,903.06 = 4,032.30/x
  3. Step 3: Cross multiply
    7,176.12x = 9,903.06 × 4,032.30
  4. Step 4: Simplify right side
    7,176.12x = 39,932,108.84
  5. Step 5: Solve for x
    x = 39,932,108.84/7,176.12
  6. Step 6: Final answer
    x = 5,564.58

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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.