Home / 10,666.96-14,713.55-6,475.21

Finding the Fourth Proportional to 10,666.96, 14,713.55 and 6,475.21

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Solution

The fourth proportional to 10,666.96, 14,713.55 and 6,475.21 is: 8,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.96 : 14,713.55 = 6,475.21 : x
  2. Step 2: Convert to fraction form
    10,666.96/14,713.55 = 6,475.21/x
  3. Step 3: Cross multiply
    10,666.96x = 14,713.55 × 6,475.21
  4. Step 4: Simplify right side
    10,666.96x = 95,273,326.10
  5. Step 5: Solve for x
    x = 95,273,326.10/10,666.96
  6. Step 6: Final answer
    x = 8,931.63

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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.