Home / 8,475.79-11,697.28-4,700.14

Finding the Fourth Proportional to 8,475.79, 11,697.28 and 4,700.14

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Solution

The fourth proportional to 8,475.79, 11,697.28 and 4,700.14 is: 6,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.79 : 11,697.28 = 4,700.14 : x
  2. Step 2: Convert to fraction form
    8,475.79/11,697.28 = 4,700.14/x
  3. Step 3: Cross multiply
    8,475.79x = 11,697.28 × 4,700.14
  4. Step 4: Simplify right side
    8,475.79x = 54,978,852.18
  5. Step 5: Solve for x
    x = 54,978,852.18/8,475.79
  6. Step 6: Final answer
    x = 6,486.57

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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.