Home / 12,225.16-16,869.55-9,713.35

Finding the Fourth Proportional to 12,225.16, 16,869.55 and 9,713.35

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Solution

The fourth proportional to 12,225.16, 16,869.55 and 9,713.35 is: 13,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.16 : 16,869.55 = 9,713.35 : x
  2. Step 2: Convert to fraction form
    12,225.16/16,869.55 = 9,713.35/x
  3. Step 3: Cross multiply
    12,225.16x = 16,869.55 × 9,713.35
  4. Step 4: Simplify right side
    12,225.16x = 163,859,710.58
  5. Step 5: Solve for x
    x = 163,859,710.58/12,225.16
  6. Step 6: Final answer
    x = 13,403.49

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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.