Home / 9,543.53-13,170.18-5,294.67

Finding the Fourth Proportional to 9,543.53, 13,170.18 and 5,294.67

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Solution

The fourth proportional to 9,543.53, 13,170.18 and 5,294.67 is: 7,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.53 : 13,170.18 = 5,294.67 : x
  2. Step 2: Convert to fraction form
    9,543.53/13,170.18 = 5,294.67/x
  3. Step 3: Cross multiply
    9,543.53x = 13,170.18 × 5,294.67
  4. Step 4: Simplify right side
    9,543.53x = 69,731,756.94
  5. Step 5: Solve for x
    x = 69,731,756.94/9,543.53
  6. Step 6: Final answer
    x = 7,306.70

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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.