Home / 9,565.14-13,199.80-5,316.21

Finding the Fourth Proportional to 9,565.14, 13,199.80 and 5,316.21

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Solution

The fourth proportional to 9,565.14, 13,199.80 and 5,316.21 is: 7,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.14 : 13,199.80 = 5,316.21 : x
  2. Step 2: Convert to fraction form
    9,565.14/13,199.80 = 5,316.21/x
  3. Step 3: Cross multiply
    9,565.14x = 13,199.80 × 5,316.21
  4. Step 4: Simplify right side
    9,565.14x = 70,172,908.76
  5. Step 5: Solve for x
    x = 70,172,908.76/9,565.14
  6. Step 6: Final answer
    x = 7,336.32

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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.