Home / 10,460.40-15,690.60-4,304.40

Finding the Fourth Proportional to 10,460.40, 15,690.60 and 4,304.40

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Solution

The fourth proportional to 10,460.40, 15,690.60 and 4,304.40 is: 6,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.40 : 15,690.60 = 4,304.40 : x
  2. Step 2: Convert to fraction form
    10,460.40/15,690.60 = 4,304.40/x
  3. Step 3: Cross multiply
    10,460.40x = 15,690.60 × 4,304.40
  4. Step 4: Simplify right side
    10,460.40x = 67,538,618.64
  5. Step 5: Solve for x
    x = 67,538,618.64/10,460.40
  6. Step 6: Final answer
    x = 6,456.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.