Home / 7,117.46-9,823.08-3,973.85

Finding the Fourth Proportional to 7,117.46, 9,823.08 and 3,973.85

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Solution

The fourth proportional to 7,117.46, 9,823.08 and 3,973.85 is: 5,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.46 : 9,823.08 = 3,973.85 : x
  2. Step 2: Convert to fraction form
    7,117.46/9,823.08 = 3,973.85/x
  3. Step 3: Cross multiply
    7,117.46x = 9,823.08 × 3,973.85
  4. Step 4: Simplify right side
    7,117.46x = 39,035,446.46
  5. Step 5: Solve for x
    x = 39,035,446.46/7,117.46
  6. Step 6: Final answer
    x = 5,484.46

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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.