Home / 10,532.98-15,785.80-4,285.72

Finding the Fourth Proportional to 10,532.98, 15,785.80 and 4,285.72

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Solution

The fourth proportional to 10,532.98, 15,785.80 and 4,285.72 is: 6,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.98 : 15,785.80 = 4,285.72 : x
  2. Step 2: Convert to fraction form
    10,532.98/15,785.80 = 4,285.72/x
  3. Step 3: Cross multiply
    10,532.98x = 15,785.80 × 4,285.72
  4. Step 4: Simplify right side
    10,532.98x = 67,653,518.78
  5. Step 5: Solve for x
    x = 67,653,518.78/10,532.98
  6. Step 6: Final answer
    x = 6,423.02

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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.