Home / 6,155.60-9,223.80-5,176.40

Finding the Fourth Proportional to 6,155.60, 9,223.80 and 5,176.40

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Solution

The fourth proportional to 6,155.60, 9,223.80 and 5,176.40 is: 7,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.60 : 9,223.80 = 5,176.40 : x
  2. Step 2: Convert to fraction form
    6,155.60/9,223.80 = 5,176.40/x
  3. Step 3: Cross multiply
    6,155.60x = 9,223.80 × 5,176.40
  4. Step 4: Simplify right side
    6,155.60x = 47,746,078.32
  5. Step 5: Solve for x
    x = 47,746,078.32/6,155.60
  6. Step 6: Final answer
    x = 7,756.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.