Home / 7,041.30-10,560.60-2,111.10

Finding the Fourth Proportional to 7,041.30, 10,560.60 and 2,111.10

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Solution

The fourth proportional to 7,041.30, 10,560.60 and 2,111.10 is: 3,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.30 : 10,560.60 = 2,111.10 : x
  2. Step 2: Convert to fraction form
    7,041.30/10,560.60 = 2,111.10/x
  3. Step 3: Cross multiply
    7,041.30x = 10,560.60 × 2,111.10
  4. Step 4: Simplify right side
    7,041.30x = 22,294,482.66
  5. Step 5: Solve for x
    x = 22,294,482.66/7,041.30
  6. Step 6: Final answer
    x = 3,166.25

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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.