Home / 7,458.08-10,281.26-5,212.96

Finding the Fourth Proportional to 7,458.08, 10,281.26 and 5,212.96

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Solution

The fourth proportional to 7,458.08, 10,281.26 and 5,212.96 is: 7,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.08 : 10,281.26 = 5,212.96 : x
  2. Step 2: Convert to fraction form
    7,458.08/10,281.26 = 5,212.96/x
  3. Step 3: Cross multiply
    7,458.08x = 10,281.26 × 5,212.96
  4. Step 4: Simplify right side
    7,458.08x = 53,595,784.46
  5. Step 5: Solve for x
    x = 53,595,784.46/7,458.08
  6. Step 6: Final answer
    x = 7,186.28

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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.