Home / 10,587.60-15,888.60-6,200.40

Finding the Fourth Proportional to 10,587.60, 15,888.60 and 6,200.40

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Solution

The fourth proportional to 10,587.60, 15,888.60 and 6,200.40 is: 9,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.60 : 15,888.60 = 6,200.40 : x
  2. Step 2: Convert to fraction form
    10,587.60/15,888.60 = 6,200.40/x
  3. Step 3: Cross multiply
    10,587.60x = 15,888.60 × 6,200.40
  4. Step 4: Simplify right side
    10,587.60x = 98,515,675.44
  5. Step 5: Solve for x
    x = 98,515,675.44/10,587.60
  6. Step 6: Final answer
    x = 9,304.82

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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.