Home / 9,088.55-12,543.26-5,312.69

Finding the Fourth Proportional to 9,088.55, 12,543.26 and 5,312.69

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Solution

The fourth proportional to 9,088.55, 12,543.26 and 5,312.69 is: 7,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.55 : 12,543.26 = 5,312.69 : x
  2. Step 2: Convert to fraction form
    9,088.55/12,543.26 = 5,312.69/x
  3. Step 3: Cross multiply
    9,088.55x = 12,543.26 × 5,312.69
  4. Step 4: Simplify right side
    9,088.55x = 66,638,409.73
  5. Step 5: Solve for x
    x = 66,638,409.73/9,088.55
  6. Step 6: Final answer
    x = 7,332.12

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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.