Home / 10,834.24-14,951.28-6,642.40

Finding the Fourth Proportional to 10,834.24, 14,951.28 and 6,642.40

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Solution

The fourth proportional to 10,834.24, 14,951.28 and 6,642.40 is: 9,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.24 : 14,951.28 = 6,642.40 : x
  2. Step 2: Convert to fraction form
    10,834.24/14,951.28 = 6,642.40/x
  3. Step 3: Cross multiply
    10,834.24x = 14,951.28 × 6,642.40
  4. Step 4: Simplify right side
    10,834.24x = 99,312,382.27
  5. Step 5: Solve for x
    x = 99,312,382.27/10,834.24
  6. Step 6: Final answer
    x = 9,166.53

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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.