Home / 9,335.59-12,873.40-7,211.45

Finding the Fourth Proportional to 9,335.59, 12,873.40 and 7,211.45

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Solution

The fourth proportional to 9,335.59, 12,873.40 and 7,211.45 is: 9,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.59 : 12,873.40 = 7,211.45 : x
  2. Step 2: Convert to fraction form
    9,335.59/12,873.40 = 7,211.45/x
  3. Step 3: Cross multiply
    9,335.59x = 12,873.40 × 7,211.45
  4. Step 4: Simplify right side
    9,335.59x = 92,835,894.58
  5. Step 5: Solve for x
    x = 92,835,894.58/9,335.59
  6. Step 6: Final answer
    x = 9,944.30

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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.