Home / 10,070.40-15,079.68-6,597.12

Finding the Fourth Proportional to 10,070.40, 15,079.68 and 6,597.12

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Solution

The fourth proportional to 10,070.40, 15,079.68 and 6,597.12 is: 9,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.40 : 15,079.68 = 6,597.12 : x
  2. Step 2: Convert to fraction form
    10,070.40/15,079.68 = 6,597.12/x
  3. Step 3: Cross multiply
    10,070.40x = 15,079.68 × 6,597.12
  4. Step 4: Simplify right side
    10,070.40x = 99,482,458.52
  5. Step 5: Solve for x
    x = 99,482,458.52/10,070.40
  6. Step 6: Final answer
    x = 9,878.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.