Home / 7,176.48-9,903.44-4,032.64

Finding the Fourth Proportional to 7,176.48, 9,903.44 and 4,032.64

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Solution

The fourth proportional to 7,176.48, 9,903.44 and 4,032.64 is: 5,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.48 : 9,903.44 = 4,032.64 : x
  2. Step 2: Convert to fraction form
    7,176.48/9,903.44 = 4,032.64/x
  3. Step 3: Cross multiply
    7,176.48x = 9,903.44 × 4,032.64
  4. Step 4: Simplify right side
    7,176.48x = 39,937,008.28
  5. Step 5: Solve for x
    x = 39,937,008.28/7,176.48
  6. Step 6: Final answer
    x = 5,564.99

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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.