Home / 7,416.75-11,124.30-1,870.10

Finding the Fourth Proportional to 7,416.75, 11,124.30 and 1,870.10

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Solution

The fourth proportional to 7,416.75, 11,124.30 and 1,870.10 is: 2,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.75 : 11,124.30 = 1,870.10 : x
  2. Step 2: Convert to fraction form
    7,416.75/11,124.30 = 1,870.10/x
  3. Step 3: Cross multiply
    7,416.75x = 11,124.30 × 1,870.10
  4. Step 4: Simplify right side
    7,416.75x = 20,803,497.81
  5. Step 5: Solve for x
    x = 20,803,497.81/7,416.75
  6. Step 6: Final answer
    x = 2,804.93

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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.