Home / 9,894.02-13,653.90-5,417.70

Finding the Fourth Proportional to 9,894.02, 13,653.90 and 5,417.70

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Solution

The fourth proportional to 9,894.02, 13,653.90 and 5,417.70 is: 7,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894.02 : 13,653.90 = 5,417.70 : x
  2. Step 2: Convert to fraction form
    9,894.02/13,653.90 = 5,417.70/x
  3. Step 3: Cross multiply
    9,894.02x = 13,653.90 × 5,417.70
  4. Step 4: Simplify right side
    9,894.02x = 73,972,734.03
  5. Step 5: Solve for x
    x = 73,972,734.03/9,894.02
  6. Step 6: Final answer
    x = 7,476.51

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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.