Home / 9,783.02-13,500.33-5,591.02

Finding the Fourth Proportional to 9,783.02, 13,500.33 and 5,591.02

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Solution

The fourth proportional to 9,783.02, 13,500.33 and 5,591.02 is: 7,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.02 : 13,500.33 = 5,591.02 : x
  2. Step 2: Convert to fraction form
    9,783.02/13,500.33 = 5,591.02/x
  3. Step 3: Cross multiply
    9,783.02x = 13,500.33 × 5,591.02
  4. Step 4: Simplify right side
    9,783.02x = 75,480,615.04
  5. Step 5: Solve for x
    x = 75,480,615.04/9,783.02
  6. Step 6: Final answer
    x = 7,715.47

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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.