Home / 9,702.36-14,487.76-7,705.56

Finding the Fourth Proportional to 9,702.36, 14,487.76 and 7,705.56

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Solution

The fourth proportional to 9,702.36, 14,487.76 and 7,705.56 is: 11,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.36 : 14,487.76 = 7,705.56 : x
  2. Step 2: Convert to fraction form
    9,702.36/14,487.76 = 7,705.56/x
  3. Step 3: Cross multiply
    9,702.36x = 14,487.76 × 7,705.56
  4. Step 4: Simplify right side
    9,702.36x = 111,636,303.95
  5. Step 5: Solve for x
    x = 111,636,303.95/9,702.36
  6. Step 6: Final answer
    x = 11,506.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.