Home / 12,069.48-16,661.70-7,595.40

Finding the Fourth Proportional to 12,069.48, 16,661.70 and 7,595.40

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Solution

The fourth proportional to 12,069.48, 16,661.70 and 7,595.40 is: 10,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.48 : 16,661.70 = 7,595.40 : x
  2. Step 2: Convert to fraction form
    12,069.48/16,661.70 = 7,595.40/x
  3. Step 3: Cross multiply
    12,069.48x = 16,661.70 × 7,595.40
  4. Step 4: Simplify right side
    12,069.48x = 126,552,276.18
  5. Step 5: Solve for x
    x = 126,552,276.18/12,069.48
  6. Step 6: Final answer
    x = 10,485.31

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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.