Home / 10,334.57-15,503.60-4,785.65

Finding the Fourth Proportional to 10,334.57, 15,503.60 and 4,785.65

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Solution

The fourth proportional to 10,334.57, 15,503.60 and 4,785.65 is: 7,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.57 : 15,503.60 = 4,785.65 : x
  2. Step 2: Convert to fraction form
    10,334.57/15,503.60 = 4,785.65/x
  3. Step 3: Cross multiply
    10,334.57x = 15,503.60 × 4,785.65
  4. Step 4: Simplify right side
    10,334.57x = 74,194,779.41
  5. Step 5: Solve for x
    x = 74,194,779.41/10,334.57
  6. Step 6: Final answer
    x = 7,179.28

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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.