Home / 7,482.40-10,326.18-4,125.21

Finding the Fourth Proportional to 7,482.40, 10,326.18 and 4,125.21

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Solution

The fourth proportional to 7,482.40, 10,326.18 and 4,125.21 is: 5,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.40 : 10,326.18 = 4,125.21 : x
  2. Step 2: Convert to fraction form
    7,482.40/10,326.18 = 4,125.21/x
  3. Step 3: Cross multiply
    7,482.40x = 10,326.18 × 4,125.21
  4. Step 4: Simplify right side
    7,482.40x = 42,597,661.00
  5. Step 5: Solve for x
    x = 42,597,661.00/7,482.40
  6. Step 6: Final answer
    x = 5,693.05

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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.