Home / 11,986.50-17,952.40-10,585

Finding the Fourth Proportional to 11,986.50, 17,952.40 and 10,585

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Solution

The fourth proportional to 11,986.50, 17,952.40 and 10,585 is: 15,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.50 : 17,952.40 = 10,585 : x
  2. Step 2: Convert to fraction form
    11,986.50/17,952.40 = 10,585/x
  3. Step 3: Cross multiply
    11,986.50x = 17,952.40 × 10,585
  4. Step 4: Simplify right side
    11,986.50x = 190,026,154.00
  5. Step 5: Solve for x
    x = 190,026,154.00/11,986.50
  6. Step 6: Final answer
    x = 15,853.35

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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.