Home / 7,556.10-10,428.39-5,787.06

Finding the Fourth Proportional to 7,556.10, 10,428.39 and 5,787.06

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Solution

The fourth proportional to 7,556.10, 10,428.39 and 5,787.06 is: 7,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.10 : 10,428.39 = 5,787.06 : x
  2. Step 2: Convert to fraction form
    7,556.10/10,428.39 = 5,787.06/x
  3. Step 3: Cross multiply
    7,556.10x = 10,428.39 × 5,787.06
  4. Step 4: Simplify right side
    7,556.10x = 60,349,718.63
  5. Step 5: Solve for x
    x = 60,349,718.63/7,556.10
  6. Step 6: Final answer
    x = 7,986.89

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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.