Home / 9,639.04-14,458.60-3,798.40

Finding the Fourth Proportional to 9,639.04, 14,458.60 and 3,798.40

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Solution

The fourth proportional to 9,639.04, 14,458.60 and 3,798.40 is: 5,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.04 : 14,458.60 = 3,798.40 : x
  2. Step 2: Convert to fraction form
    9,639.04/14,458.60 = 3,798.40/x
  3. Step 3: Cross multiply
    9,639.04x = 14,458.60 × 3,798.40
  4. Step 4: Simplify right side
    9,639.04x = 54,919,546.24
  5. Step 5: Solve for x
    x = 54,919,546.24/9,639.04
  6. Step 6: Final answer
    x = 5,697.62

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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.