Home / 10,642.11-14,686.59-5,926.38

Finding the Fourth Proportional to 10,642.11, 14,686.59 and 5,926.38

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Solution

The fourth proportional to 10,642.11, 14,686.59 and 5,926.38 is: 8,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.11 : 14,686.59 = 5,926.38 : x
  2. Step 2: Convert to fraction form
    10,642.11/14,686.59 = 5,926.38/x
  3. Step 3: Cross multiply
    10,642.11x = 14,686.59 × 5,926.38
  4. Step 4: Simplify right side
    10,642.11x = 87,038,313.24
  5. Step 5: Solve for x
    x = 87,038,313.24/10,642.11
  6. Step 6: Final answer
    x = 8,178.67

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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.