Home / 9,045.15-12,483.85-5,270.55

Finding the Fourth Proportional to 9,045.15, 12,483.85 and 5,270.55

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Solution

The fourth proportional to 9,045.15, 12,483.85 and 5,270.55 is: 7,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.15 : 12,483.85 = 5,270.55 : x
  2. Step 2: Convert to fraction form
    9,045.15/12,483.85 = 5,270.55/x
  3. Step 3: Cross multiply
    9,045.15x = 12,483.85 × 5,270.55
  4. Step 4: Simplify right side
    9,045.15x = 65,796,800.00
  5. Step 5: Solve for x
    x = 65,796,800.00/9,045.15
  6. Step 6: Final answer
    x = 7,274.26

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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.