Home / 10,364.36-15,547.55-10,203.57

Finding the Fourth Proportional to 10,364.36, 15,547.55 and 10,203.57

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Solution

The fourth proportional to 10,364.36, 15,547.55 and 10,203.57 is: 15,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.36 : 15,547.55 = 10,203.57 : x
  2. Step 2: Convert to fraction form
    10,364.36/15,547.55 = 10,203.57/x
  3. Step 3: Cross multiply
    10,364.36x = 15,547.55 × 10,203.57
  4. Step 4: Simplify right side
    10,364.36x = 158,640,463.74
  5. Step 5: Solve for x
    x = 158,640,463.74/10,364.36
  6. Step 6: Final answer
    x = 15,306.35

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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.