Home / 9,426.30-14,139.45-4,242.30

Finding the Fourth Proportional to 9,426.30, 14,139.45 and 4,242.30

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Solution

The fourth proportional to 9,426.30, 14,139.45 and 4,242.30 is: 6,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.30 : 14,139.45 = 4,242.30 : x
  2. Step 2: Convert to fraction form
    9,426.30/14,139.45 = 4,242.30/x
  3. Step 3: Cross multiply
    9,426.30x = 14,139.45 × 4,242.30
  4. Step 4: Simplify right side
    9,426.30x = 59,983,788.74
  5. Step 5: Solve for x
    x = 59,983,788.74/9,426.30
  6. Step 6: Final answer
    x = 6,363.45

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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.