Home / 11,526.24-15,905.40-7,048.16

Finding the Fourth Proportional to 11,526.24, 15,905.40 and 7,048.16

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Solution

The fourth proportional to 11,526.24, 15,905.40 and 7,048.16 is: 9,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.24 : 15,905.40 = 7,048.16 : x
  2. Step 2: Convert to fraction form
    11,526.24/15,905.40 = 7,048.16/x
  3. Step 3: Cross multiply
    11,526.24x = 15,905.40 × 7,048.16
  4. Step 4: Simplify right side
    11,526.24x = 112,103,804.06
  5. Step 5: Solve for x
    x = 112,103,804.06/11,526.24
  6. Step 6: Final answer
    x = 9,725.96

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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.