Home / 9,420.04-13,000.11-5,441.53

Finding the Fourth Proportional to 9,420.04, 13,000.11 and 5,441.53

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Solution

The fourth proportional to 9,420.04, 13,000.11 and 5,441.53 is: 7,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.04 : 13,000.11 = 5,441.53 : x
  2. Step 2: Convert to fraction form
    9,420.04/13,000.11 = 5,441.53/x
  3. Step 3: Cross multiply
    9,420.04x = 13,000.11 × 5,441.53
  4. Step 4: Simplify right side
    9,420.04x = 70,740,488.57
  5. Step 5: Solve for x
    x = 70,740,488.57/9,420.04
  6. Step 6: Final answer
    x = 7,509.57

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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.