Home / 7,815.52-10,784.91-4,458.34

Finding the Fourth Proportional to 7,815.52, 10,784.91 and 4,458.34

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Solution

The fourth proportional to 7,815.52, 10,784.91 and 4,458.34 is: 6,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.52 : 10,784.91 = 4,458.34 : x
  2. Step 2: Convert to fraction form
    7,815.52/10,784.91 = 4,458.34/x
  3. Step 3: Cross multiply
    7,815.52x = 10,784.91 × 4,458.34
  4. Step 4: Simplify right side
    7,815.52x = 48,082,795.65
  5. Step 5: Solve for x
    x = 48,082,795.65/7,815.52
  6. Step 6: Final answer
    x = 6,152.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.