Home / 7,913.51-10,921.43-4,556.46

Finding the Fourth Proportional to 7,913.51, 10,921.43 and 4,556.46

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Solution

The fourth proportional to 7,913.51, 10,921.43 and 4,556.46 is: 6,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.51 : 10,921.43 = 4,556.46 : x
  2. Step 2: Convert to fraction form
    7,913.51/10,921.43 = 4,556.46/x
  3. Step 3: Cross multiply
    7,913.51x = 10,921.43 × 4,556.46
  4. Step 4: Simplify right side
    7,913.51x = 49,763,036.16
  5. Step 5: Solve for x
    x = 49,763,036.16/7,913.51
  6. Step 6: Final answer
    x = 6,288.37

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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.