Home / 11,585.41-15,987.69-6,549.45

Finding the Fourth Proportional to 11,585.41, 15,987.69 and 6,549.45

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Solution

The fourth proportional to 11,585.41, 15,987.69 and 6,549.45 is: 9,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.41 : 15,987.69 = 6,549.45 : x
  2. Step 2: Convert to fraction form
    11,585.41/15,987.69 = 6,549.45/x
  3. Step 3: Cross multiply
    11,585.41x = 15,987.69 × 6,549.45
  4. Step 4: Simplify right side
    11,585.41x = 104,710,576.27
  5. Step 5: Solve for x
    x = 104,710,576.27/11,585.41
  6. Step 6: Final answer
    x = 9,038.15

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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.