Home / 9,421.14-13,000.59-5,441.61

Finding the Fourth Proportional to 9,421.14, 13,000.59 and 5,441.61

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Solution

The fourth proportional to 9,421.14, 13,000.59 and 5,441.61 is: 7,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.14 : 13,000.59 = 5,441.61 : x
  2. Step 2: Convert to fraction form
    9,421.14/13,000.59 = 5,441.61/x
  3. Step 3: Cross multiply
    9,421.14x = 13,000.59 × 5,441.61
  4. Step 4: Simplify right side
    9,421.14x = 70,744,140.55
  5. Step 5: Solve for x
    x = 70,744,140.55/9,421.14
  6. Step 6: Final answer
    x = 7,509.08

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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.