Home / 9,820.16-13,551.68-5,404.16

Finding the Fourth Proportional to 9,820.16, 13,551.68 and 5,404.16

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Solution

The fourth proportional to 9,820.16, 13,551.68 and 5,404.16 is: 7,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.16 : 13,551.68 = 5,404.16 : x
  2. Step 2: Convert to fraction form
    9,820.16/13,551.68 = 5,404.16/x
  3. Step 3: Cross multiply
    9,820.16x = 13,551.68 × 5,404.16
  4. Step 4: Simplify right side
    9,820.16x = 73,235,446.99
  5. Step 5: Solve for x
    x = 73,235,446.99/9,820.16
  6. Step 6: Final answer
    x = 7,457.66

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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.