Home / 7,482.14-10,328.75-5,330.07

Finding the Fourth Proportional to 7,482.14, 10,328.75 and 5,330.07

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Solution

The fourth proportional to 7,482.14, 10,328.75 and 5,330.07 is: 7,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.14 : 10,328.75 = 5,330.07 : x
  2. Step 2: Convert to fraction form
    7,482.14/10,328.75 = 5,330.07/x
  3. Step 3: Cross multiply
    7,482.14x = 10,328.75 × 5,330.07
  4. Step 4: Simplify right side
    7,482.14x = 55,052,933.86
  5. Step 5: Solve for x
    x = 55,052,933.86/7,482.14
  6. Step 6: Final answer
    x = 7,357.92

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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.