Home / 9,829.02-13,564.08-5,352.78

Finding the Fourth Proportional to 9,829.02, 13,564.08 and 5,352.78

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Solution

The fourth proportional to 9,829.02, 13,564.08 and 5,352.78 is: 7,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.02 : 13,564.08 = 5,352.78 : x
  2. Step 2: Convert to fraction form
    9,829.02/13,564.08 = 5,352.78/x
  3. Step 3: Cross multiply
    9,829.02x = 13,564.08 × 5,352.78
  4. Step 4: Simplify right side
    9,829.02x = 72,605,536.14
  5. Step 5: Solve for x
    x = 72,605,536.14/9,829.02
  6. Step 6: Final answer
    x = 7,386.85

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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.