Home / 9,011.08-12,434.58-5,031.88

Finding the Fourth Proportional to 9,011.08, 12,434.58 and 5,031.88

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Solution

The fourth proportional to 9,011.08, 12,434.58 and 5,031.88 is: 6,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.08 : 12,434.58 = 5,031.88 : x
  2. Step 2: Convert to fraction form
    9,011.08/12,434.58 = 5,031.88/x
  3. Step 3: Cross multiply
    9,011.08x = 12,434.58 × 5,031.88
  4. Step 4: Simplify right side
    9,011.08x = 62,569,314.41
  5. Step 5: Solve for x
    x = 62,569,314.41/9,011.08
  6. Step 6: Final answer
    x = 6,943.60

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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.