Home / 7,024.15-9,678.54-4,782.07

Finding the Fourth Proportional to 7,024.15, 9,678.54 and 4,782.07

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Solution

The fourth proportional to 7,024.15, 9,678.54 and 4,782.07 is: 6,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.15 : 9,678.54 = 4,782.07 : x
  2. Step 2: Convert to fraction form
    7,024.15/9,678.54 = 4,782.07/x
  3. Step 3: Cross multiply
    7,024.15x = 9,678.54 × 4,782.07
  4. Step 4: Simplify right side
    7,024.15x = 46,283,455.78
  5. Step 5: Solve for x
    x = 46,283,455.78/7,024.15
  6. Step 6: Final answer
    x = 6,589.19

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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.