Home / 7,117.08-9,809.82-4,758.36

Finding the Fourth Proportional to 7,117.08, 9,809.82 and 4,758.36

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Solution

The fourth proportional to 7,117.08, 9,809.82 and 4,758.36 is: 6,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.08 : 9,809.82 = 4,758.36 : x
  2. Step 2: Convert to fraction form
    7,117.08/9,809.82 = 4,758.36/x
  3. Step 3: Cross multiply
    7,117.08x = 9,809.82 × 4,758.36
  4. Step 4: Simplify right side
    7,117.08x = 46,678,655.10
  5. Step 5: Solve for x
    x = 46,678,655.10/7,117.08
  6. Step 6: Final answer
    x = 6,558.68

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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.