Home / 7,176.72-9,903.36-4,032.84

Finding the Fourth Proportional to 7,176.72, 9,903.36 and 4,032.84

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Solution

The fourth proportional to 7,176.72, 9,903.36 and 4,032.84 is: 5,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.72 : 9,903.36 = 4,032.84 : x
  2. Step 2: Convert to fraction form
    7,176.72/9,903.36 = 4,032.84/x
  3. Step 3: Cross multiply
    7,176.72x = 9,903.36 × 4,032.84
  4. Step 4: Simplify right side
    7,176.72x = 39,938,666.34
  5. Step 5: Solve for x
    x = 39,938,666.34/7,176.72
  6. Step 6: Final answer
    x = 5,565.03

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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.