Home / 7,017.12-10,525.65-6,666.75

Finding the Fourth Proportional to 7,017.12, 10,525.65 and 6,666.75

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Solution

The fourth proportional to 7,017.12, 10,525.65 and 6,666.75 is: 10,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.12 : 10,525.65 = 6,666.75 : x
  2. Step 2: Convert to fraction form
    7,017.12/10,525.65 = 6,666.75/x
  3. Step 3: Cross multiply
    7,017.12x = 10,525.65 × 6,666.75
  4. Step 4: Simplify right side
    7,017.12x = 70,171,877.14
  5. Step 5: Solve for x
    x = 70,171,877.14/7,017.12
  6. Step 6: Final answer
    x = 10,000.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.