Home / 9,113.60-12,582.52-6,604.04

Finding the Fourth Proportional to 9,113.60, 12,582.52 and 6,604.04

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Solution

The fourth proportional to 9,113.60, 12,582.52 and 6,604.04 is: 9,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.60 : 12,582.52 = 6,604.04 : x
  2. Step 2: Convert to fraction form
    9,113.60/12,582.52 = 6,604.04/x
  3. Step 3: Cross multiply
    9,113.60x = 12,582.52 × 6,604.04
  4. Step 4: Simplify right side
    9,113.60x = 83,095,465.38
  5. Step 5: Solve for x
    x = 83,095,465.38/9,113.60
  6. Step 6: Final answer
    x = 9,117.74

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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.