Home / 10,648.19-14,680.85-8,726.93

Finding the Fourth Proportional to 10,648.19, 14,680.85 and 8,726.93

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Solution

The fourth proportional to 10,648.19, 14,680.85 and 8,726.93 is: 12,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.19 : 14,680.85 = 8,726.93 : x
  2. Step 2: Convert to fraction form
    10,648.19/14,680.85 = 8,726.93/x
  3. Step 3: Cross multiply
    10,648.19x = 14,680.85 × 8,726.93
  4. Step 4: Simplify right side
    10,648.19x = 128,118,776.08
  5. Step 5: Solve for x
    x = 128,118,776.08/10,648.19
  6. Step 6: Final answer
    x = 12,031.98

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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.