Home / 7,888.10-11,823.89-2,955.60

Finding the Fourth Proportional to 7,888.10, 11,823.89 and 2,955.60

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Solution

The fourth proportional to 7,888.10, 11,823.89 and 2,955.60 is: 4,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.10 : 11,823.89 = 2,955.60 : x
  2. Step 2: Convert to fraction form
    7,888.10/11,823.89 = 2,955.60/x
  3. Step 3: Cross multiply
    7,888.10x = 11,823.89 × 2,955.60
  4. Step 4: Simplify right side
    7,888.10x = 34,946,674.51
  5. Step 5: Solve for x
    x = 34,946,674.51/7,888.10
  6. Step 6: Final answer
    x = 4,430.31

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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.