Home / 9,117.70-12,582.45-4,925.95

Finding the Fourth Proportional to 9,117.70, 12,582.45 and 4,925.95

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Solution

The fourth proportional to 9,117.70, 12,582.45 and 4,925.95 is: 6,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.70 : 12,582.45 = 4,925.95 : x
  2. Step 2: Convert to fraction form
    9,117.70/12,582.45 = 4,925.95/x
  3. Step 3: Cross multiply
    9,117.70x = 12,582.45 × 4,925.95
  4. Step 4: Simplify right side
    9,117.70x = 61,980,488.12
  5. Step 5: Solve for x
    x = 61,980,488.12/9,117.70
  6. Step 6: Final answer
    x = 6,797.82

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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.