Home / 9,930.17-13,703.73-5,454.02

Finding the Fourth Proportional to 9,930.17, 13,703.73 and 5,454.02

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Solution

The fourth proportional to 9,930.17, 13,703.73 and 5,454.02 is: 7,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.17 : 13,703.73 = 5,454.02 : x
  2. Step 2: Convert to fraction form
    9,930.17/13,703.73 = 5,454.02/x
  3. Step 3: Cross multiply
    9,930.17x = 13,703.73 × 5,454.02
  4. Step 4: Simplify right side
    9,930.17x = 74,740,417.49
  5. Step 5: Solve for x
    x = 74,740,417.49/9,930.17
  6. Step 6: Final answer
    x = 7,526.60

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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.