Home / 10,815.47-16,225.37-4,575.46

Finding the Fourth Proportional to 10,815.47, 16,225.37 and 4,575.46

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Solution

The fourth proportional to 10,815.47, 16,225.37 and 4,575.46 is: 6,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.47 : 16,225.37 = 4,575.46 : x
  2. Step 2: Convert to fraction form
    10,815.47/16,225.37 = 4,575.46/x
  3. Step 3: Cross multiply
    10,815.47x = 16,225.37 × 4,575.46
  4. Step 4: Simplify right side
    10,815.47x = 74,238,531.42
  5. Step 5: Solve for x
    x = 74,238,531.42/10,815.47
  6. Step 6: Final answer
    x = 6,864.11

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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.