Home / 7,962.86-10,988.64-4,605.60

Finding the Fourth Proportional to 7,962.86, 10,988.64 and 4,605.60

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Solution

The fourth proportional to 7,962.86, 10,988.64 and 4,605.60 is: 6,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.86 : 10,988.64 = 4,605.60 : x
  2. Step 2: Convert to fraction form
    7,962.86/10,988.64 = 4,605.60/x
  3. Step 3: Cross multiply
    7,962.86x = 10,988.64 × 4,605.60
  4. Step 4: Simplify right side
    7,962.86x = 50,609,277.73
  5. Step 5: Solve for x
    x = 50,609,277.73/7,962.86
  6. Step 6: Final answer
    x = 6,355.67

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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.