Home / 10,532.12-15,784.52-4,284.87

Finding the Fourth Proportional to 10,532.12, 15,784.52 and 4,284.87

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Solution

The fourth proportional to 10,532.12, 15,784.52 and 4,284.87 is: 6,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.12 : 15,784.52 = 4,284.87 : x
  2. Step 2: Convert to fraction form
    10,532.12/15,784.52 = 4,284.87/x
  3. Step 3: Cross multiply
    10,532.12x = 15,784.52 × 4,284.87
  4. Step 4: Simplify right side
    10,532.12x = 67,634,594.79
  5. Step 5: Solve for x
    x = 67,634,594.79/10,532.12
  6. Step 6: Final answer
    x = 6,421.75

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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.