Home / 8,475.86-11,670.57-7,530.03

Finding the Fourth Proportional to 8,475.86, 11,670.57 and 7,530.03

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Solution

The fourth proportional to 8,475.86, 11,670.57 and 7,530.03 is: 10,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.86 : 11,670.57 = 7,530.03 : x
  2. Step 2: Convert to fraction form
    8,475.86/11,670.57 = 7,530.03/x
  3. Step 3: Cross multiply
    8,475.86x = 11,670.57 × 7,530.03
  4. Step 4: Simplify right side
    8,475.86x = 87,879,742.22
  5. Step 5: Solve for x
    x = 87,879,742.22/8,475.86
  6. Step 6: Final answer
    x = 10,368.24

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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.