Home / 7,426.80-10,248.12-4,914.18

Finding the Fourth Proportional to 7,426.80, 10,248.12 and 4,914.18

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Solution

The fourth proportional to 7,426.80, 10,248.12 and 4,914.18 is: 6,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.80 : 10,248.12 = 4,914.18 : x
  2. Step 2: Convert to fraction form
    7,426.80/10,248.12 = 4,914.18/x
  3. Step 3: Cross multiply
    7,426.80x = 10,248.12 × 4,914.18
  4. Step 4: Simplify right side
    7,426.80x = 50,361,106.34
  5. Step 5: Solve for x
    x = 50,361,106.34/7,426.80
  6. Step 6: Final answer
    x = 6,781.00

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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.