Home / 8,931.40-12,325.37-4,952.88

Finding the Fourth Proportional to 8,931.40, 12,325.37 and 4,952.88

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Solution

The fourth proportional to 8,931.40, 12,325.37 and 4,952.88 is: 6,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.40 : 12,325.37 = 4,952.88 : x
  2. Step 2: Convert to fraction form
    8,931.40/12,325.37 = 4,952.88/x
  3. Step 3: Cross multiply
    8,931.40x = 12,325.37 × 4,952.88
  4. Step 4: Simplify right side
    8,931.40x = 61,046,053.80
  5. Step 5: Solve for x
    x = 61,046,053.80/8,931.40
  6. Step 6: Final answer
    x = 6,834.99

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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.