Home / 9,289.52-12,818.70-5,512.04

Finding the Fourth Proportional to 9,289.52, 12,818.70 and 5,512.04

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Solution

The fourth proportional to 9,289.52, 12,818.70 and 5,512.04 is: 7,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.52 : 12,818.70 = 5,512.04 : x
  2. Step 2: Convert to fraction form
    9,289.52/12,818.70 = 5,512.04/x
  3. Step 3: Cross multiply
    9,289.52x = 12,818.70 × 5,512.04
  4. Step 4: Simplify right side
    9,289.52x = 70,657,155.62
  5. Step 5: Solve for x
    x = 70,657,155.62/9,289.52
  6. Step 6: Final answer
    x = 7,606.11

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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.