Home / 11,360.07-15,681.74-7,636.23

Finding the Fourth Proportional to 11,360.07, 15,681.74 and 7,636.23

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Solution

The fourth proportional to 11,360.07, 15,681.74 and 7,636.23 is: 10,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.07 : 15,681.74 = 7,636.23 : x
  2. Step 2: Convert to fraction form
    11,360.07/15,681.74 = 7,636.23/x
  3. Step 3: Cross multiply
    11,360.07x = 15,681.74 × 7,636.23
  4. Step 4: Simplify right side
    11,360.07x = 119,749,335.26
  5. Step 5: Solve for x
    x = 119,749,335.26/11,360.07
  6. Step 6: Final answer
    x = 10,541.25

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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.