Home / 9,854.59-13,599.28-5,378.34

Finding the Fourth Proportional to 9,854.59, 13,599.28 and 5,378.34

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Solution

The fourth proportional to 9,854.59, 13,599.28 and 5,378.34 is: 7,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.59 : 13,599.28 = 5,378.34 : x
  2. Step 2: Convert to fraction form
    9,854.59/13,599.28 = 5,378.34/x
  3. Step 3: Cross multiply
    9,854.59x = 13,599.28 × 5,378.34
  4. Step 4: Simplify right side
    9,854.59x = 73,141,551.60
  5. Step 5: Solve for x
    x = 73,141,551.60/9,854.59
  6. Step 6: Final answer
    x = 7,422.08

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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.