Home / 9,670.47-13,346.35-5,422.67

Finding the Fourth Proportional to 9,670.47, 13,346.35 and 5,422.67

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Solution

The fourth proportional to 9,670.47, 13,346.35 and 5,422.67 is: 7,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.47 : 13,346.35 = 5,422.67 : x
  2. Step 2: Convert to fraction form
    9,670.47/13,346.35 = 5,422.67/x
  3. Step 3: Cross multiply
    9,670.47x = 13,346.35 × 5,422.67
  4. Step 4: Simplify right side
    9,670.47x = 72,372,851.75
  5. Step 5: Solve for x
    x = 72,372,851.75/9,670.47
  6. Step 6: Final answer
    x = 7,483.90

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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.